A function assigns the values. The correct option is B.
What is a Function?A function assigns the value of each element of one set to the other specific element of another set.
The diagram for the function is given below, based on the image, the relation is a set of ordered pairs that can be written as,
{(–2, 4), (0, 6), (2, 8)}
Hence, the correct option is B.
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Write a linear equation that is solved by both (-6,2) and (0,-4)
The linear equation that is solved by both (-6,2) and (0,-4) is y = -x - 4
Using the slope intercept formula for linear equation,
y = mx + bwhere
m = slope
b = y-intercept
Therefore, lets find m
(-6,2) and (0,-4)
m = -4 - 2 / 0 - (-6) = -6 / 6 = - 1
Lets find b using (0,-4)
y = mx + b
-4 = -1(0) + b
b = -4
There the linear equation in slope intercept form will be as follows
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If _____________, then the graph of the polynomial function is symmetric about the y-axis.
By reading the question, note that we want to describe the fact that a polynomial functions is symmetric about the y-axis. By symmetric, it means that the y-axis acts like a "mirror". That is, the right side of the graph looks exactly the same as the one on the left. This means that if we take one value for x, then the value of f(x) should be the same as if we take -x and calculate f(-x).
So
if f(x)=f(-x), then the graph of the polynomial function is symmetric about the y-axis.
That is the second option is the correct one.
2. Elena has a square piece of wood with an area of 74 square inches. How long should each side be rounded to the nearest tenth of an inch?
Answer:18.5
Step-by-step explanation:
Okay if it's a square that means four sides.so you would take 74 divide it by four and get the final answer of 18.5
Which statement is correct regarding independent events?
Two events are independent if they have no outcomes in common and cannot occur at the same time.
Two events are independent if they have outcomes in common and can occur at the same time.
Two events are independent if the outcome of the first event does not affect the outcome of the second event.
Two events are independent if the outcome of the first event affects the outcome of the second event.
Zion sun chairs manufacturers 3,575 beach chairs each month. Determine the minimum sales price Zion sun chairs must sell each chair for to earn a monthly profit of $55,000, if the total monthly fixed costs are $17,363. 50 and the variable cost per chair is $52. 17
main answer: the minimum sales price zion sun chairs for each char must be $41.64 to earn a monthly profit of $55,000
supporting answer:
what is profit?
the amount gained from any business activity When a shopkeeper sells a product, his motivation is to profit from the buyer.
body of the answer:
the total monthly fixed costs are $7363.50 and the variable cost per chair $52.17
the cost price isC(x)=17363.50+52.17*3575
profit function is P(x)=C(x)-s
P(x)=203871.25-3575x
55000=203871.25-3575x
3575x=148871.25
x=41.64
the minimum sales price zion sun chairs for each must be $41.64 to a monthly proft of $55000
final answer: the minimum sales price zion sun chairs for each char must be $41.64 to earn a monthly profit of $55,000
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The minimum sales price zion sun chairs for each char must be $41.64 to earn a monthly profit of $55,000
What is profit?
The amount gained from any business activity When a shopkeeper sells a product, his motivation is to profit from the buyer.
The total monthly fixed costs are $7363.50 and the variable cost per chair is $52.17
The cost price is C(x)=17363.50+52.17*3575
Profit function is P(x)=C(x)-s
P(x) = 203871.25-3575x
55000 = 203871.25-3575x
3575x = 148871.25
x = 41.64
The minimum sales price of zion sun chairs for each must be $41.64 to a monthly profit of $55000
The minimum sales price of zion sun chairs for each char must be $41.64 to earn a monthly profit of $55,000
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An airplane, flying with a tail wind, travels 1040 miles in 2 hours. The return trip, against the wind, takes 2 1 2 hours. Find the cruising speed of the plane and the speed of the wind (assume that both rates are constant).
The cruising speed of the plane is 468 mph and the speed of the wind is 52mph
To solve this problem, we can use the formula:
distance = rate x time
Let's let "r" be the cruising speed of the plane and "w" be the speed of the wind. Then we can write:
1040 = (r + w) x 2 (since the plane is flying with a tailwind)
1040 = (r - w) x 2.5 (since the plane is flying against the wind)
Now we can solve for r and w. Let's start by solving for r in the first equation:
1040 = 2r + 2w
520 = r + w
Next, let's solve for r in the second equation:
1040 = 2.5r - 2.5w
416 = r - w
Now we have two equations with two variables:
520 = r + w
416 = r - w
We can solve for r by adding the two equations:
936 = 2r
r = 468
Now that we know r, we can solve for w by substituting into either equation:
520 = 468 + w
w = 52
The cruising speed of the plane is 468 mph and the speed of the wind is 52mph
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what is the solution of the system equation?
y=3x+7
y=x-9
Answer:
y=-17, x=-8
Step-by-step explanation:
x-9=3x+7
Isolate x for x-9=3x+7;
x-9=3x+7
Add 9 to both sides:
x-9+9=3x+7+9
Simplify;
x=3x+16
Subtract 3x from both sides;
x-3x=3x+16-3x
Simplify;
-2x=16
Divide both sides by -2;
-2x/-2=16/-2
simplify: -2x/-2
=x
Simplify 16/-2:
x=-8
For y=x-9 substitute x=-8;
y=-8-9
Simplify;
y=-17
The solutions to the System of equations are;
y=-17, x=-8
You want an average of at least 30 active minutes each day during the week. How many active minutes do you need on Sunday to achieve your goal? Make an argument for your answer using a bar graph.
Using the mean concept, it is found that you need at least 40 active minutes on Sunday to achieve your goal.
What is the mean?The mean of a data-set is given by the sum of all observations in the data-set divided by the number of observations.
In a week, there will be 7 observations, and a bar graph can represent each observation(time in minutes). They are given as follows:
15, 45, 20, 0, 60, 30 and x.
We want the mean to be of 30, hence:
30 = (15 + 45 + 20 + 0 + 60 + 30 + x)/7
170 + x = 210
x = 210 - 170
x = 40.
You need at least 40 active minutes on Sunday to achieve your goal.
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The equation modeling the population growth of a small town is P(t)=30000(1.02)^t, where P represents the population, and t represents the years from now. What is the approximate population change that occurs between 2 years from now and 10 years from now.
a.5,358
b.6,570
c.31,212
d.35,150
e.36,570
Answer: I’m not for sure but I got 31,212
Step-by-step explanation: You multiply 30000 to 1.02 and then with the 2 and the 10 you divided and get 31,212
The population change between these years is (a) 5358
The population model is given as:
\(\mathbf{P(t) = 30000(1.02)^t}\)
When t = 2, we have:
\(\mathbf{P(2) = 30000(1.02)^2}\)
\(\mathbf{P(2) = 31212}\)
When t = 10, we have:
\(\mathbf{P(10) = 30000(1.02)^{10}}\)
\(\mathbf{P(10) = 36570}\)
The population change is then calculated as:
\(\mathbf{\Delta P = P(10) - P(2)}\)
So, we have:
\(\mathbf{\Delta P = 36570 - 31212}\)
\(\mathbf{\Delta P = 5358}\)
Hence, the population change between these years is (a) 5358
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There are two glasses of root beer and four glasses of cola on the counter. Dave drinks two of them at random. What is the probability that he drank two glasses of cola?
Answer:
.4%
Step-by-step explanation:
4/6*3/5
1.6.15
Is Question Help
Your cell phone plan costs $29.99 per month plus $0.17 for each text message you send or receive. You have at most $38 to spend on your cell phone bill. What is
the maximum number of text messages that you can send or receive next month?
The maximum number of text messages is
224 is maximum number of text messages
Lauren uses a calculator to find Three-fourths divided by StartFraction 3 plus 9 over 36 EndFraction and gets a result of Nine-fourths. Which statement best describes her work?
Answer:
11/20
Step-by-step explanation:
how to find the domain of a function
Answer: For the numerator, we know we have to have a positive number in the expression for ln. Therefore, 0">x−2>0, which means 2">x>2. Combining these, we get the domain of the function is all positive values for x which are greater than 2. In interval notation, this is simply (2,∞).
Step-by-step explanation:
in a particular survey of internet users, 3605 resondents say that they use socail networking sites and 1306 respondents say that they do not use social networking sites. What is the probablity that a randomly selected person uses a social networking site
Answer:
73.4%
Step-by-step explanation:
First, find the total number of people:
3605+1306=4911 people
The formula for any probability is:
Part / Whole
3605 respondents out of the total 4911 people say they use a social networking site
3605/4911 = 0.7341
Multiply this by 100 to get a percent
Thus, 73.4%
a company’s stock was selling at 35$ a share. a month later it was selling at 14$ a share. what is the percent loss?
Answer:
60%
Step-by-step explanation:
its right
If a company’s stock was selling at 35$ a share. a month later it was selling at 14$ a share then the percent of loss is 60%.
What is Percentage?percentage, a relative value indicating hundredth parts of any quantity.
Given that a company’s stock was selling at 35$ a share.
After a month later it was selling at 14$ a share.
We need to find the percent of loss.
Original share price=35
new share price=14
We calculate the percentage by finding the difference and dividing the difference with the original share price.
35-14/35
0.6
Now multiply this 0.6 with 100 as it is a hundredth part.
0.6×100
60%
Hence, if a company’s stock was selling at 35$ a share. a month later it was selling at 14$ a share then the percent of loss is 60%.
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25 is added to the product of a number and 2
Answer:
2x + 25
Step-by-step explanation:
Let that number be x.
Step 1 : Multiply x and 2.
x * 2 = 2x
Step 2 : Add 25 and 2x.
2x + 25
Hence,
25 is added to the product of a number and 2 is 2x + 25.
Determine a relationship between the x and y values, write an equation (0,1) (1,2) (2,5) (3,10) (4,17)
Answer:
Step-by-step explanation:
Need help too
Paula Pidcoe is doing her budget. She discovers that the average miscellaneous expense is $65.00 with a standard deviation of $18.00. What percent of her expenses in this category would she expect to fall between $54.20 and $86.60?
The z for $54.20 = -
The percent of area associated with $54.20 =
%
The z for $86.60 =
The percent of area associated with $86.60 =
%
Adding the two together, the percent of his expenses between $54.20 and $86.60 is
%
Using the normal distribution, it is found that:
The percent of area associated with $54.20 is of: 27.43%.The percent of area associated with $86.60 is of: 88.49%.Adding the two together, the percent of his expenses between $54.20 and $86.60 is of: 61.06%.Normal Probability DistributionThe z-score of a measure X of a normally distributed variable with mean \(\mu\) and standard deviation \(\sigma\) is given by:
\(Z = \frac{X - \mu}{\sigma}\)
The z-score measures how many standard deviations the measure is above or below the mean. Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.The mean and the standard deviation are given, respectively, by:
\(\mu = 65, \sigma = 18\)
We find the percentage for each measure(the p-value of Z when X = measure), then subtract them.
X = 86.6:
\(Z = \frac{X - \mu}{\sigma}\)
\(Z = \frac{86.6 - 65}{18}\)
Z = 1.2
Z = 1.2 has a p-value of 0.8849 = 88.49%.
X = 54.2:
\(Z = \frac{X - \mu}{\sigma}\)
\(Z = \frac{54.2 - 65}{18}\)
Z = -0.6
Z = -0.6 has a p-value of 0.2743 = 27.43%.
88.49 - 27.43 = 61.06%.
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a water wave travels a distance of 10.0 meters in 5.0 seconds. what can be determined from this information?
The speed of the water wave is 2.0 meters per second.
The speed of a wave is calculated by dividing the distance traveled by the time it takes to travel that distance. In this case, the distance traveled by the water wave is 10.0 meters, and the time taken is 5.0 seconds.
To determine the speed, we use the formula:
Speed = Distance / Time
Substituting the given values, we have:
Speed = 10.0 meters / 5.0 seconds = 2.0 meters per second
Therefore, from the given information, we can determine that the speed of the water wave is 2.0 meters per second.
This information about the speed of the water wave is useful for various purposes. It allows us to understand how quickly the wave is propagating through the medium. It also helps in analyzing wave behavior, such as interference, reflection, or refraction, and studying the characteristics of the medium through which the wave is traveling. Additionally, the speed of the wave can be used in calculations involving wave frequencies, wavelengths, and periods.
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Find the differential of each function. y = tan squareroot 3t y = 4 - v^2/4 + v^2
The differentials of the given functions are:
dy/dt = (1/2)√(3t) sec^2(√(3t)) dt
dy/dv = -v/2 + v
To find the differential of the function y = tan(sqrt(3t)), we can use the chain rule. Let u = sqrt(3t). Applying the chain rule, we have dy/dt = dy/du * du/dt.
First, we find dy/du by taking the derivative of tan(u), which is sec^2(u). Then, we find du/dt by taking the derivative of sqrt(3t), which is (1/2)√(3t). Multiplying these two derivatives together, we get dy/dt = (1/2)√(3t) sec^2(√(3t)) dt.
To find the differential of the function y = 4 - v^2/4 + v^2, we need to take the derivative with respect to v. The first term, 4, does not depend on v, so its derivative is 0.
For the second term, -(v^2/4), we use the power rule for differentiation. The derivative of v^2 is 2v, and dividing by 4 gives -(v/2).
For the third term, v^2, the derivative is 2v.
Combining these derivatives, we get dy/dv = -v/2 + v.
The differentials of the given functions have been calculated as dy/dt = (1/2)√(3t) sec^2(√(3t)) dt and dy/dv = -v/2 + v. These differentials represent the rate of change of the functions with respect to the respective variables.
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The differential of y = tan(sqrt(3t)) is dy/dt = (1/2)(3t)^(-1/2)(3)(sec^2(sqrt(3t))). The differential of y = 4 - v^2/4 + v^2 is dy/dv = 3v/2.
To find the differential of each function, we will differentiate them with respect to the independent variable.
Differentiation of y = tan(sqrt(3t)):Let's use the chain rule to differentiate this function.
Differentiate the outer function: d/dt(tan(sqrt(3t)))Differentiate the inner function: d/dt(sqrt(3t)) = (1/2)(3t)^(-1/2)(3)Apply the chain rule: d/dt(tan(sqrt(3t))) = (1/2)(3t)^(-1/2)(3)(sec^2(sqrt(3t)))Therefore, the differential of y = tan(sqrt(3t)) is dy/dt = (1/2)(3t)^(-1/2)(3)(sec^2(sqrt(3t))).
Differentiation of y = 4 - v^2/4 + v^2:Let's differentiate this function using the power rule and the sum/difference rule for derivatives.
Differentiate the constant term: d/dv(4) = 0Differentiate the first term: d/dv(-v^2/4) = (-1/4)(2v) = -v/2Differentiate the second term: d/dv(v^2) = 2vTherefore, the differential of y = 4 - v^2/4 + v^2 is dy/dv = 0 - v/2 + 2v = 3v/2.
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Each of the following events result in a tax payment. Which is an example of a direct tax?
A. Charles sells a 25-acre lot, which includes a barn.
B. Sammy stops to pump gas on a cross-country road trip.
C. Ingrid's cable bill contains extra fees that weren't listed in the plan.
D. Javier owes money to the federal government based on job earnings.
Each of the following events result in a tax payment, an example of a direct tax is D. Javier owes money to the federal government based on job earnings.
How Do Direct Taxes Work?A direct tax is one that is paid by an individual or group of individuals directly to the body that levied it. Taxes on assets, real estate, personal property, and income are a few examples that are all paid by an individual taxpayer directly to the government.
Direct taxes are those that you pay to the government directly. You have paid a direct tax, for instance, if you pay income tax, property tax, or capital gains tax. On the other side, an indirect tax is when you make a purchase and someone else subsequently pays the tax on your behalf through a sales tax.
Therefore, option D is correct.
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Shelly and Terrence completed a different number of tasks in a game. Shelly earned 90 points on each task. Terrence's total points were 20 less than Shelly's total. The expression below shows Terrence's total points in the game:
90x − 20
What does the factor x of the first term of the expression represent? (2 points)
Group of answer choices
The total number of tasks Terrence completed
The total number of tasks Shelly completed
The sum of Shelly's and Terrence's total points
The difference between Shelly's and Terrence's total points
The total number of tasks Terrence completed. By substituting the value of 'x' with the number of tasks Terrence completed
The factor 'x' in the expression '90x - 20' represents the total number of tasks that Terrence completed in the game.
To understand why, let's break down the given information. It states that Shelly and Terrence completed a different number of tasks. Shelly earned 90 points on each task, so the total number of tasks she completed is not represented by 'x'.
On the other hand, Terrence's total points were 20 less than Shelly's total. This means that Terrence's total points can be calculated by subtracting 20 from Shelly's total points. Since Shelly earned 90 points on each task, her total points would be 90 multiplied by the number of tasks she completed.
So, the expression '90x - 20' represents Terrence's total points in the game, where 'x' represents the total number of tasks that Terrence completed. By substituting the value of 'x' with the number of tasks Terrence completed, we can calculate his total points.
Therefore, the correct answer is: The total number of tasks Terrence completed.
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Ashley has $5,000 in an account that earns 5% interest compounded annually.To the nearest cent, how much will she have in 3 years?Use the formula B=p(1+r)t, where B is the balance (final amount), p is the principal (starting amount), r is the interest rate expressed as a decimal, and t is the time in years.$
Solution
\(A=P(1+\frac{r}{100})^n\)The amount she will have in 3yrs can be calculated as shown below
\(\begin{gathered} A=5000(1+\frac{5}{100})^3 \\ \\ A=5000(1+0.05)^3 \\ \\ A=5788.125 \end{gathered}\)The answer is 578813 cents
The answer is $5788.125
determine the location and value of the absolute extreme values of f on the given interval, if they exist. f(x)=4sin2x on [0,π]
The critical points of \($f(x)=4\sin^2 x$\) occur where \($f'(x)=8\sin x\cos x=4\sin(2x)=0$\). This occurs when \($x=0$\) or \($x=\frac{\pi}{2}$\) on the interval \($[0,\pi]$\).
To check if these critical points correspond to extrema, we evaluate \($f(x)$\)at the critical points and endpoints:
\($f(0)=4\sin^2(0)=0$\)
\($f\left(\frac{\pi}{2}\right)=4\sin^2\left(\frac{\pi}{2}\right)=4$\)
\($f(\pi)=4\sin^2(\pi)=0$\)
Therefore, the maximum value of \($f$\) is \($4$\) and occurs at \($x=\frac{\pi}{2}$\), while the minimum value is \($0$\) and occurs at $x=0$ and \($x=\pi$\).
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pls answer. On a coordinate plane, a line with a 90-degree angle crosses the x-axis at (negative 4, 0), turns at (negative 1, 3), crosses the y-axis at (0, 2) and the x-axis at (2, 0). What is the range of the function on the graph? all real numbers all real numbers less than or equal to –1 all real numbers less than or equal to 3 all real numbers less than or equal to 0
Range: All real numbers greater than or equal to 3. The Option C.
What is the range of the function on the graph formed by the line?To find the range of the function, we need to determine the set of all possible y-values that the function takes.
Since the line crosses the y-axis at (0, 2), we know that the function's range includes the value 2. Also, since the line turns at (-1, 3), the function takes values greater than or equal to 3.
Therefore, the range of the function is all real numbers greater than or equal to 3.
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Please help me before I fail... I really need some help <3 please ;-;
Answer:
the answer is 1.0 if u use sin to solve it, thus, u would get 0.9 of which if u round it u will get the answer above
Answer: and Step-by-step explanation:
sin(61) = x/55
55(sin(61)) = x
48.1 = x
Hope this helps!
What is the value of expression
\( {5}^{3} \)
Answer:
125
What is an exponent?An exponent is the number written as a superscript above a number. This is used commonly in mathematics to signify multiplication, or the amount to multiply the number by.
If we look at \(5^{3}\) (Five to the power of 3), we can use this expression to solve for the answer.
5 × 5 × 5 = 125Therefore, the answer to \(5^{3}\) is 125.
The Smiths spend 6% of their budget on entertainment. Their total budget this year is $2,000 more than last year, and this year they plan to spend $2,880 on entertainment. What was their total budget last year?
Answer:
Total budget this year = $ 2000 more than last year. Let x = Budget for this year. Money on entertainment = 0.06x = 2760. ⇒ Budget for this ...
Step-by-step explanation:
Let y = and u = Compute the distance from y to the line through u and the origin. 2 The distance from y to the line through u and the origin is (Simplify your answer.) 5
The distance from y to the line through u and the origin is 0.8.
From the question, y = \(\left[\begin{array}{ccc}4\\2\end{array}\right]\) and u = \(\left[\begin{array}{ccc}8\\6\end{array}\right]\).
Orthogonal projection is a type of projection used in linear algebra to determine the projection of a vector onto another vector. It is an important tool in mathematics and engineering, as it can be used to calculate the angle between two vectors, the distance between two points, and the projection of a vector onto a plane.
Orthogonal projection formula:
\(\hat{y}=\frac{y.u}{u.u}u\)
y · u = (4, 2) · (8, 6)
y · u = 32 + 12
y · u = 44
u · u = (8, 6) · (8, 6)
u · u = 64 + 36
u · u = 100
\(\hat{y}=\frac{y\cdot u}{u\cdot u}u\)
\(\hat{y}=\frac{44}{100}\begin{bmatrix} 8\\6 \end{bmatrix}\)
\(\hat{y}=\frac{11}{25}\begin{bmatrix} 8\\6 \end{bmatrix}\)
\(\hat{y}=\begin{bmatrix} 88/25\\66/25 \end{bmatrix}\)
From y, the line is at a distance of:
\(\left \| y-\hat{y} \right \|\)
\(y-\hat{y}=\begin{bmatrix} 4\\2 \end{bmatrix}-\begin{bmatrix} 88/25\\66/25 \end{bmatrix}\)
\(y-\hat{y}=\begin{bmatrix} 100/25\\50/25 \end{bmatrix}-\begin{bmatrix} 88/25\\66/25 \end{bmatrix}\)
\(y-\hat{y}=\begin{bmatrix} 12/25\\-16/25 \end{bmatrix}\)
\(\left \| y-\hat{y} \right \|=\sqrt{\left (\frac{12}{25} \right )^2+\left (\frac{-16}{25} \right )^2}\)
\(\left \| y-\hat{y} \right \|=\sqrt{\frac{144}{625}+\frac{256}{625}}\)
\(\left \| y-\hat{y} \right \|=\sqrt{\frac{400}{625}}\)
\(\left \| y-\hat{y} \right \|=\frac{20}{25}\)
As a result, y is 0.8 units away from the line passing through u and the origin.
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The complete question is:
Let y = \(\left[\begin{array}{ccc}4\\2\end{array}\right]\) and u = \(\left[\begin{array}{ccc}8\\6\end{array}\right]\). Compute the distance from y to the line through u and the origin. The distance from y to the line through u and the origin is ________ (Simplify your answer.)
Help me with this pls
Answer:
c, 4/3
Step-by-step explanation:
you need to isplate y so subtract 5 from both sides then divide both sides by 3, the coefficient of x is now 4/3 and x coefficient is the slope