Does this graph show a function? Explain how you know.
• A. No; there are y values that have more than one x-value.
• B. No; the graph fails the vertical line test.
• C. Yes; the graph passes the vertical line test.
• D. Yes; there
are no y values that have more than one x-value
Answers
The correct option regarding whether the graph shows a function is given by:
C. Yes; the graph passes the vertical line test.
When does a graph show a function?In a function, one value of the input can be related to only one value of the output. Hence, in a graph, it means that for each value of x(horizontal axis), there can only be one respective value of y(vertical axis), which will mean that the graph will pass the vertical line test.
In this problem, the condition is respected, hence option C is correct.
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Related Questions
What is a question that could be used to collect categorical data??
Answers
NO LINKS OR FILES-10 pts
TYPE OUT THE ANSWER-10pts
The chart below shows the number of fish caught at different water depths by a group of friends.
Water Depth (feet) Number of Fish
0-6 3
6-12 8
12-18 6
18-24 13
24-30 4
Which histogram best represents this data?
Answers
Answer:
C
Step-by-step explanation:
That looks to be the most accurate
Answer:
the 3rd one
Step-by-step explanation:
Solve the equation. z(z^{2}+1)=6+z^{3} Select the correct choice below and fill in any answer boxes in your choice. A. The solution set is (Simplify your answer.) B. There is no solut
Answers
The equation to be solved is z(z² + 1) = 6 + z³ is obtained by Rational Root Theorem .
To find the solution set, we can simplify the equation by expanding the left-hand side using distributive property and combining like terms on both sides. This gives: z³ + z - 6 = 0
This is a cubic equation of the form ax³ + bx² + cx + d = 0, where a = 1, b = 0, c = 1, and d = -6. To solve this equation, we can use the Rational Root Theorem or the Factor Theorem to find its roots. However, since this equation has one real root and two complex conjugate roots, we can use numerical methods such as Newton's method or bisection method to approximate its real root.
Therefore, the solution set of the given equation z(z² + 1) = 6 + z³ is {z ≈ 1.75488}.
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Harold bought 3 pounds of red apples and 4.2 pounds of green apples from a grocery store, where both kinds of apples are $1.75 a pound. How much did Harold spend on apples?
Answers
add 3+4.2= 7.2 times 1.75
Answer:
11.6 is your answer. brainliest pls
Step-by-step explanation:
Tyrone is an investment broker who tells his clients that some investments are a moderate risk and others are an aggressive risk. He wants to know the difference between the annual return on the investments in each category. He sampled 17 investments from each category. There was a mean annual return of 6.2% on the investments in the moderate sample, with a standard deviation of 9.3%. The aggressive investments had a sample mean of 7.3% and a standard deviation of 12.4%. Assume that the conditions for inference have been met, and that Tyrone will use the conservative degrees of freedom corresponding to a sample size of 17. Leta - Am be the difference in mean annual return (in percents) of the groups of investments. Which of the following is a 90% confidence interval for p - um? Choose 1 answer: a. (-5.49, 7.69) b. (-5.464, 7.664)c. (-5.084, 7.284) d. (-3.926, 6.126) e. (-2.659,4.859)
Answers
the 90% confidence interval for p - um is (-0.816, 2.916), which can be rounded to (-0.82, 2.92). The closest option to this interval is (c) (-5.084, 7.284).
The point estimate for the difference in mean annual return is:
a - m = 7.3 - 6.2 = 1.1
To find the margin of error for a 90% confidence interval, we use the t-distribution with 16 degrees of freedom (conservative df) and a 5% significance level (90% confidence level):
t* = 1.745
The margin of error is then:
ME = t* * sqrt[(s1^2/n1) + (s2^2/n2)]
= 1.745 * sqrt[(0.093^2/17) + (0.124^2/17)]
= 0.916
The 90% confidence interval is:
(a - m) ± ME
1.1 ± 0.916
Thus, the 90% confidence interval for p - um is (-0.816, 2.916), which can be rounded to (-0.82, 2.92). The closest option to this interval is (c) (-5.084, 7.284).
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SOMEONE PLS HELP ME MATCH THEM
Answers
1 I
2
3
4 c
5 a
6
7 f
8 g
9
hope it helps
plz mark as brainliest
factorise x^2-4 in maths
Answers
Answer:
(x-2)(x+2)
Step-by-step explanation:
use the difference of squares
x²-4 = x²-2² = (x-2)(x+2)
What is the value of x for the given equation?
4 – 2(x + 7) = 3(x + 5)
x =____.
Answers
Answer: x = -5
Step-by-step explanation:
4−2(x+7)=3(x+5)4-2(x+7)=3(x+5)Simplify 4−2(x+7)4-2(x+7).Tap for more steps...−2x−10=3(x+5)-2x-10=3(x+5)Simplify 3(x+5)3(x+5).Tap for more steps...−2x−10=3x+15-2x-10=3x+15Move all terms containing xx to the left side of the equation.Tap for more steps...−5x−10=15-5x-10=15Move all terms not containing xx to the right side of the equation.Tap for more steps...−5x=25-5x=25Divide each term in −5x=25-5x=25 by −5-5 and simplify.Tap for more steps...x = −5
What is 3 squared as a number?
Answers
Answer:
3^3
Step-by-step explanation:
a new car cost ₹ 4,20,000 .After one year ,its value decreased by 20% for the second year its value further decreased by 10% what is the value of the car after 2 years
Answers
The value of the car after 2 years is ₹ 3,02,400.
After one year, the car's value decreased by 20%.
To find the new value, we need to multiply the original cost by
\((100\% - 20\%) or 80\%.\)
So, the value of the car after one year is
\(4,20,000 \times 0.8 = 3,36,000.\)
For the second year, the car's value decreased by 10%.
Again, we need to multiply the previous year's value by
\((100\% - 10\%) or 90\%\).
Therefore, the value of the car after the second year is
\(3,36,000 \times 0.9 = 3,02,400\).
Thus, the value of the car after 2 years is ₹ 3,02,400.
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solving and reasoning with complex numbers guided notes
the combination of a real number and an imaginary number in the form of a + bi
Answers
A complex number is the product of a real number and an imaginary number in the form of a + bi. Complex numbers are used to solve equations that don't have real solutions, such as \(x^{2}\) + 1 = 0.
How to solve a complex number?
Given:
When solving and reasoning with complex numbers, it's important to keep the following properties in mind:
1. The sum of two complex numbers is the sum of their real and imaginary parts.
For example, (a + bi) + (c + di) = (a + c) + (b + d)i
2. The product of two complex numbers is the product of their real and imaginary parts.
For example, (a + bi).(c + di) = (ac - bd) + (ad + bc)i
3. The magnitude (or absolute value) of a complex number is the distance from the origin to the point (a,b) on the complex plane.
For example, |a + bi| = √a^2 + b^2
4. The conjugate of a complex number is its mirror image across the real axis.
For example, the conjugate of (a + bi) is (a - bi).
These properties can be used to solve and reason with complex numbers. For example, to find the quotient of two complex numbers, one could divide the product of their conjugates by the product of their magnitudes.
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Which of the following is true about a "cumulative ACK witha sequence number M in the Go-Back-N protocol) A When received by the sender, it retransmits all da packets in the window up to sequence number M When received by the sender, it slides its window by b When sent by the receiver, all packets up to sequer number M were correctly received and delivered D. Both (B) and (C) B. C. 11. The function that is not a cause of extra overhead of routers used to forward IPv4 datagrams is: A. The datagram header checksum B. The datagram fragmentation C. The datagram options D. The datagram reassembly 12. In the Selective-Repeat protocol, if the timer expires, A. All packets in the window are retransmitted and t is restarted B The packet, for which the timer has exp retransmitted immediately and its timeout in Part 1: (20 points, I point each) Choose the best answer for each of the following multiple-choice questions 1. Which of the following Internet transport-layer services provide error checking" A. TCP B. UDP C Neither TCP nor UDP D. Both TCP and UDP 2. The type of delay that is not caused by the store-and-forward strategy used by the switching devices is: A. The processing delay B. The queuing delay C. The transmission delay D. The propagation delay 3. In a statistical multiplexed system, if the average queuing delay is very close to zero, then: A. The system is very well-engineered B. The traffic intensity is greater than 50% C. The system resources are inefficiently utilized D. None of the above
Answers
TCP provides error checking to ensure reliable data delivery, making option A the correct answer. Only the propagation delay is not caused by the store-and-forward strategy employed by switching devices.
TCP (Transmission Control Protocol) provides error checking as part of its services. It ensures reliable data delivery by using acknowledgments and sequence numbers to detect and recover from packet loss, errors, or out-of-order delivery. When a TCP receiver receives data, it sends an acknowledgment (ACK) back to the sender to confirm the successful reception of packets. If the sender does not receive an ACK for a particular packet within a specified timeout period, it assumes the packet was lost or damaged and retransmits it.
TCP provides error checking to ensure reliable data delivery, making option A the correct answer.
The propagation delay is the time it takes for a signal to travel from the source to the destination. It is determined by the physical distance between the devices and the speed of signal propagation in the transmission medium. The propagation delay is an inherent characteristic of the medium and cannot be eliminated by switching devices or other strategies.
The other three options—processing delay, queuing delay, and transmission delay—are all caused by the store-and-forward strategy used by switching devices. Processing delay refers to the time taken to examine and process the packet headers. Queuing delay occurs when packets have to wait in a queue before being transmitted. Transmission delay is the time it takes to push the bits onto the transmission medium.
Among the given options, only the propagation delay is not caused by the store-and-forward strategy employed by switching devices.
3. The correct answer is A. The system is very well-engineered.
In a statistical multiplexing system, the queuing delay is the delay experienced by packets waiting in a queue before being transmitted. If the average queuing delay is very close to zero, it indicates that the system is well-engineered and efficiently managing its resources. A well-designed system can minimize or eliminate queuing delays by appropriately allocating resources and ensuring efficient scheduling algorithms.
Traffic intensity, which represents the ratio of the average traffic load to the transmission capacity, does not directly determine the queuing delay. It is possible to have low queuing delays even with high traffic intensity if the system is well-designed.
When the average queuing delay is close to zero, it suggests that the system is well-engineered and efficiently utilizing its resources, as stated in option A.
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Find the area of thisirregular figure.9 ft8 ft15 ft26 ft
Answers
The area of the irregular figure will be equal to the sum of area of triangle and the area of the rectangle.
The required area can be determined as,
\(\begin{gathered} A=A_t+A_r \\ =(\frac{1}{2}\times8\text{ ft}\times9\text{ ft)+(15 ft}\times26\text{ ft)} \\ =36ft^2+390ft^2 \\ =426ft^2 \end{gathered}\)Thus, the required area of the irregular figure is 426 square feet.
suppose that f is a periodic function with period 100 where f(x) = -x2 100x - 1200 whenever 0 6 x 6 100.
Answers
Amplitude of f -\(x^{2}\)+100x - 1200 is 350.
To find the amplitude of a periodic function, we need to find the maximum and minimum values of the function over one period and then take half of their difference.
In this case, the function f(x) is given by:
f(x) = -\(x^{2}\) + 100x - 1200, 0 ≤ x ≤ 100
To find the maximum and minimum values of f(x) over one period, we can use calculus by taking the derivative of f(x) and setting it equal to zero:
f'(x) = -2x + 100
-2x + 100 = 0
x = 50
So the maximum and minimum values of f(x) occur at x = 0, 50, and 100. We can evaluate f(x) at these values to find the maximum and minimum values:
f(0) = -\(0^{2}\) + 100(0) - 1200 = -1200
f(50) = -\(50^{2}\) + 100(50) - 1200 = -500
f(100) = -\(100^{2}\) + 100(100) - 1200 = -1200
Therefore, the maximum value of f(x) over one period is -500 and the minimum value is -1200. The amplitude is half of the difference between these values:
Amplitude = (Max - Min)/2 = (-500 - (-1200))/2 = 350
Therefore, the amplitude of f(x) is 350.
Correct Question :
suppose that f is a periodic function with period 100 where f(x) = -\(x^{2}\)+100x - 1200 whenever 0 ≤x≤100. what is amplitude of f.
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Mind helping me out?
Answers
Answer:
24 miles
Step-by-step explanation:
3x is the miles from downstream
4 (x - 1) is the return trip
Solution:
3x = 4 (x - 1)
3x =4x - 4
-x = -4
x = 4
The outward journey 3x = 12 miles
Return journey is same length
Therefore the distance travel is 24 miles
suppose that a regression line for some data transformed with logarithms predicts that when x equals 9, log(y) will equal 3.992. what does the regression line predict y will equal when x equals 9? round your answer to the nearest whole number.
Answers
Based on the given information, when x equals 9, the regression line predicts that log(y) will equal 3.992. To find the predicted value of y when x is 9, you will need to apply the inverse transformation to the logarithmic value.
The inverse transformation of log(y) is achieved by using the exponential function. Specifically, you can use the formula:
y = 10^(log(y))
In this case, since log(y) = 3.992, you can plug this value into the formula:
y = 10^(3.992)
When you calculate this, you will find that y ≈ 9762.97. Rounded to the nearest whole number, the regression line predicts that y will equal 9763 when x equals 9.
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need quick help pleaseee
Answers
Answer:
1080°
Step-by-step explanation:
(n - 2) x 180
n = number of sides = 8
(8 - 2) × 180 = 1080°
19. determine a basis for the set spanned by the vectors v1 = 1 2 3 , v2 = 3 6 9 , v3 = 1 3 5 , v4 = 5 11 17 , v5 = 2 7 12 , v6 = 2 0 0
Answers
To determine a basis for the set spanned by the given vectors, we can perform row operations on the augmented matrix [v1 | v2 | v3 | v4 | v5 | v6] and identify the pivot columns.
Row-reducing the augmented matrix yields:
[1 3 1 5 2 2 | 0]
[2 6 3 11 7 0 | 0]
[3 9 5 17 12 0 | 0]
By performing row operations, we can simplify the matrix to its row-echelon form:
[1 3 1 5 2 2 | 0]
[0 0 1 1 3 0 | 0]
[0 0 0 0 0 0 | 0]
The pivot columns are the columns with leading 1's in the row-echelon form. In this case, the pivot columns are 1, 3, and 5.
Therefore, a basis for the set spanned by the given vectors is {v1, v3, v5}, which corresponds to the columns of the original matrix in the pivot columns. These three vectors are linearly independent and can span the entire space represented by the given vectors.
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Needs Help!
Solve for x.
Answers
Answer:
103o
Step-by-step explanation:
Step-by-step explanation:
first, find the sum of angles by minus the number of sides of the polygon with 2, then multiplied with 180.
Then, to find x you must subtract 540 ( sum of angle) with all given angle
Went to start the sum of -1 3/4 and 2 1/2 is the same as the difference between 2 1/2 and 1 3/4 is Gwen correct explain why or why not
Answers
The sum of -1 (3/4) and 2 (1/2) is the same as the difference between 2 (1/2) and 1 (3/4).
Firstly, we will convert the mixed fractions into improper fractions.
-1 and 3/4 = -7/4
2 and 1/2 = 5/2
Addition of -1 (3/4) and 2 (1/2) = -7/4 + 5/2 = -7/4 + 10/4 = 3/4
Difference between 2 and 1/2 and 1 and 3/4 = 5/2 - 7/4 = 10/4 - 7/4 = 3/4
As both the values equal to 3/4 , we can say that the addition of -1 and 3/4 and 2 and 1/2 is the same as the difference between 2 and 1/2 and 1 and 3/4.
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prove that:tan²0-cot²0=sec²0(1-cot²0)
Answers
Answer:
Step-by-step explanation:
AB is parallel to CD . Find the measure of each numbered angle. I NEED HELP ON 8 AND 9 ASAP
Answers
Answer:
Question (8). m∠1 = 142°
m∠2 = 300°
Question (9). m∠1 = 73°
m∠2 = 82°
Step-by-step explanation:
Question (8). m∠1 + 38° = 180° [Supplementary angles]
m∠1 = 180 - 38
m∠1 = 142°
m∠x = 38° [Alternate interior angles]
m∠y = 22° [Alternate interior angles]
Now, m∠2 = 360° - (m∠x + m∠y)
= 360° - (38 + 22)°
m∠2 = 300°
Question (9). m∠RMN + 98° = 180°
m∠RMN = 180 -98
= 82°
m∠RMN = m∠ARM = 82°
m∠2 = 82°
m∠SNM = 73° [Vertical angles]
m∠SNM = m∠OSR = 73°[Corresponding angles]
m∠1 = 73°
Mina walks at a constant pace of 1.6 m/s and takes 20
minutes to get to school.
Abeni walks at 1.4 m/s and takes 30 minutes to get to
school.
What is the difference between the distances they
walked?
Answers
Answer:
600 m
Step-by-step explanation:
Given that :
Mina's constant pace = 1.6m/s
Time taken = 20 minutes
Abeni's pace = 1.4 m/s
Time taken = 30 minutes
Difference in the distances covered :
Recall :
Distance covered = Speed * time
Mina's distance = 1.6 * (20 * 60 seconds) = 1920m
Abeni's distance = 1.4 * (30 * 60 seconds) = 2520 m
Difference :
2520 m - 1920 m
= 600 m
Write the factors of 6 that sum to -5.
Answers
Answer:
-2 and -3
Step-by-step explanation:
a negative multiplied by a negative is a positive so -2 multiplied by -3 equals 6. And, -2 + -3 = -5
i need to find the value of y
Answers
Answer:
y = 90 degrees
Step-by-step explanation:
Please Help
Question Is In the picture!!
Answers
Answer: big boi like a someboody 2x -853
Step-by-step explanation:
2.)123
3.)7000
4.)0.242
CAN SOMEONE DO ALL OF THE FIRST LONG BOX? ILL GIVE BRAINLIEST PLEASE IM RUSHING AND CRYING
Answers
Answer:
1). 2/8, 2/5, 2/4, 2/3
2). Fill in 2 of the boxes
3). C
4). Shade all of the first 2 boxes and half (2) of the 3rd
5). D
6). 43/56
Step-by-step explanation:
Can anybodyhelp me with these please? I need help please!
Answers
1: The measure of arc JML is: arc JML = 176°
3: m∠WXY = 59°
5: The measure of the arc is: arc FE = 54°
7: The measure of the angles are: m∠A = 79° and m∠B = 112°
9: The value of x is: x = 9
How to find the angle or arc measure in a circle?
No. 1
The measure of inscribed angle is half the measure of its intercepted arc. That is:
∠ JKL = 1/2 * arc JML
88 = 1/2 * arc JML
arc JML = 2 * 88
arc JML = 176°
No. 3
arc WY = 360 - 86 - 156 = 118° (sum of angles in a circle)
m∠WXY = 1/2 * arc WY
m∠WXY = 1/2 * 118
m∠WXY = 59°
No. 5
An angle inscribed in a semicircle is a right angle. Thus, m∠DFE = 90°
m∠EDF = 180 - 90 - 63 = 27° (sum of angles in a triangle)
m∠EDF = 1/2 * arc FE
27° = 1/2 * arc FE
arc FE = 2 * 27
arc FE = 54°
No. 7
The opposite angle in a cyclic quadrilateral add up to 180°. That is:
m∠A + m∠C = 180°
m∠A + 101 = 180
m∠A = 180 - 101
m∠A = 79°
m∠B + m∠D = 180°
m∠B + 68 = 180
m∠B = 180 - 68
m∠B = 112°
No. 9
67 = 1/2 * (16x - 10)
67 * 2 = (16x - 10)
16x - 10 = 134
16x = 134 + 10
16x = 144
x = 144/16
x = 9
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73 Kilogram (kg) equals how many pounds (lbs)
Answers
The conversion of 73 Kilogram (kg) pounds (lbs) is 160.9358 lbs
Conversion of kilogram to pounds.The standard metric conversion of a unit weight from one S.I. unit to another follows a standard approach that is universally acceptable and timeless. For the conversion of 1 kilogram to pounds, 1 kg is equivalent to 2.2046 lbs.
To convert 73 kilograms to pounds, multiply 73 kilograms by 2.2046 lbs. Mathematically;
\(=73 \ kg \times \dfrac{2.2046 \ lbs}{1 \ kg}\)
Cancel the common units
\(=73 \times \dfrac{2.2046 \ lbs}{1}\)
= 160.9358 lbs
Therefore, we can conclude that the conversion of 73 kilograms (kg) to metric pounds (lbs) is 160.9358 lbs.
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While playing a game of chance, Mei rolled a regular six-sided die 100 times and noticed that it landed on the number 4 exactly 48 times. What could Mei conclude about the die?
We are 90% confident that the true proportion of times the die would land on the number 4 is between 0. 398 and 0. 562. Since this includes 0. 5, the die appears to be fair. We are 90% confident that the true proportion of times the die would land on the number 4 is between 0. 398 and 0. 562. Since this is much greater than 1 out of 6, the die appears to be unfair. We are 90% confident that the true proportion of times the die would land on the number 4 is between 0. 382 and 0. 578. Since this is much greater than 1 out of 6, the die appears to be unfair. We are 90% confident that the true proportion of times the die would land on the number 4 is between 0. 382 and 0. 578. Since this includes 0. 5, the die appears to be fair
Answers
Mei concluded that
We are 90% confident that the true proportion of times the die would land on the number 4 is between 0.398 and 0.562. Since this includes 0.5, the die appears to be fair.
It is based on a statistical analysis of the data collected by Mei.
The proportion of times the die landed on the number 4 is calculated as 48/100 = 0.48.
Using a statistical method called a confidence interval, we can estimate the range of values that the true proportion of times the die would land on the number 4 is likely to fall within, with 90% confidence.
The confidence interval calculated for this data is 0.398 to 0.562.
Since this interval includes the value of 0.5 (which would be the proportion of times a fair die would land on the number 4), By using statistical method we cannot reject the hypothesis that the die is fair.
Hence,
By using statistical method, we can conclude that the die would land on the number 4 is between 0.398 and 0.562 as 0.5 the die appears to be fair.
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