Answer:
If graph of any function going towards down in a particular interval. Then , function is decreasing in that interval.
From x = -∞ to x = a , function is positive and decreasing.
Here, a graph is attached in the question.
We know that, if graph of any function is going towards down in particular interval. Then function is decreasing in that particular interval.
If graph of any function is going towards up in particular interval. Then function is increasing in that particular interval.
In given graph. it is observed that in interval x = -∞ to x = a , graph of function is above x - axis and graph is going towards down. Therefore, in given interval function is positive and decreasing.
Step-by-step explanation:
the chess club meets every two weeks and the student council meets every three weeks, how many weeks will it be before both clubs meet again on the same week
Answer:
6 weeks
Step-by-step explanation:
We need to find the common multiple of 3 and 2. The multiple of 2 and 3 is 6.
So on the 6th week.
I hope I could help!
An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
The clubs meet on the 6th week.
The number of weeks before the clubs meet again on the same week is 5.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
The chess club meets every two weeks and the student council meets every three weeks.
This means,
The least common multiple of 2 and 3 is 6.
The club meets on the 6th week.
Thus,
The clubs meet on the 6th week.
The number of weeks before the clubs meet again on the same week is 5.
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Sketch the graph of the given function. Then state the function’s domain and range. y = 4(4)x
To sketch the graph of the function y = 4(4)^x, we can start by plotting a few points to get an idea of the shape of the graph.
Let's choose some x-values and calculate the corresponding y-values:
For x = -2, y = 4(4)^(-2) = 4(1/16) = 1/4
For x = -1, y = 4(4)^(-1) = 4(1/4) = 1
For x = 0, y = 4(4)^0 = 4(1) = 4
For x = 1, y = 4(4)^1 = 4(4) = 16
For x = 2, y = 4(4)^2 = 4(16) = 64
Now we can plot these points on a coordinate plane and connect them to form the graph of the function.
The graph of y = 4(4)^x will start at the point (0, 4) and increase rapidly as x increases. It is an exponential growth function where the base is 4.
The domain of the function is all real numbers since there are no restrictions on the values of x.
The range of the function is the set of positive real numbers greater than zero. As x increases, y grows without bound, approaching positive infinity but never reaching zero or becoming negative.
What type of angels are <5 and <6?
Answer: Supplementary Angles
Step-by-step explanation:
∠5 and ∠6 are supplementary angles. If you look at their position, they are right next to each other. Both angles added together makes a straight line, which is 180°. Any 2 angles that make 180° are called supplementary angles.
Proceed as in Example 3 of Section 4.10 and obtain the first six nonzero terms of a Taylor series solution, centered at 0, of the given initial-value problem y" = x + y2, y(0) = 1, y'(0) = 1 y = ____
The first six terms of the Taylor series solution, centered at 0, of the given initial-value problem is y(x) = 1 + x + 1/2x² + 1/2x³ + 1/6x⁴ + 1/10x⁵+...
A function's Taylor series is an infinite sum of terms with each subsequent term having a bigger exponent, such as x, x2, x3, etc., and being stated in terms of the function's derivatives at any given point. In order to represent the Taylor series mathematically, the Taylor series formula is useful.
Using the derivatives of the function, the Taylor series formula aids in expanding a function around a value of the variable. s and be as ly,,,, texturs in a l
x a = f(x) = f(a) + f'(a)
y" = x + y²
y"' = 1 + 2yy'
y"" = 2(yy" + (y')²)
y""' = 2(yy"' + y'y" + 2y'y")
= 6y'y" + 2yy"
Now, y(0) = 1 and y'(0) = 1
y"(0) = 0 + y(0)² = 1
y"'(0) = 1 + 2y(0)y'(0) = 3
y"" = 2(y(0)y"(0) + (y'(0))²) = 4
y""' = 2(y(0)y"'(0) + y'(0)y"(0) + 2y'(0)y"(0)) = 12
Substitute these values in above equation :
so, first six terms of the Taylor's series
y(x) = 1 + x + 1/2x² + 1/6(3x³) + 1/4(24x⁴) + 1/120(12x⁵)+....
y(x) = 1 + x + 1/2x² + 1/2x³ + 1/6x⁴ + 1/10x⁵+.....
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What is the value of 43 = 23? 2 7 8 16
Answer:
16
Step-by-step explanation:
I dont really inderstand but i would say 16 because it is closer to adding up to 43 so yea
Los organizadores de la Feria de Alimentos colocan un contenedor de agua que mide 2,76 metros de largo, por 23,5 decímetros de ancho y por 196 centímetros de alto. ¿Cuál es el volumen del contenedor? Expresa la respuesta en metros cúbicos con aproximación a centésimos.
The volume of the container is approximately 12.9516 cubic meters when rounded to the nearest hundredth.
To find the volume of the container, we need to multiply its length, width, and height. Let's convert the given measurements to meters to ensure consistent units.
The length of the container is 2.76 meters.
The width of the container is 23.5 decimeters, which is equal to 2.35 meters (since 1 decimeter = 0.1 meters).
The height of the container is 196 centimeters, which is equal to 1.96 meters (since 1 meter = 100 centimeters).
Now we can calculate the volume of the container:
Volume = Length × Width × Height
Volume = 2.76 meters × 2.35 meters × 1.96 meters
Volume ≈ 12.9516 cubic meters (rounded to four decimal places)
Therefore, the volume of the container is approximately 12.9516 cubic meters when rounded to the nearest hundredth.
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Please look at the photo. Thank you!
The value of f(5) is positive
At f(x) = 0, the value of x is 1
For the interval f(x) ≤ 0, the values of x are [-2, 1]
How to determine the values of the functionFrom the question, we have the following parameters that can be used in our computation:
The graph
On the graph, we have
f(5) = 1
This means that f(5) is positive
Also, we have
When f(x) = 0, the value of x is 1
For the interval f(x) ≤ 0, we have the values of x to be
-2 ≤ x ≤ 1
When represented as an interval, we have
[-2, 1]
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Which of the following will form the composite function G(F(x)) shown
below?
G(F(x)) = (x-7)2 + (x-7)-1
A. F(x)=(x-7)2 and G(x)=(x-7)-1
B. F(x)=x²+x-1 and G(x) = x-7
C. F(x)=(x-7)-1 and G(x)=(x-7)²
D. F(x)= x-7 and G(x)=x²+x-1
SUBMIT
Answer:
The answer is D.
Step-by-step explanation:
Find the sum of the first 33 terms of the following series, to the nearest integer.
3, 9,15,...
NEED HELP ASAP
The graph compares the ages of 100 randomly selected visitors at a beach in January and in July. Select from the drop-down menu to correctly complete the statement. On average, visitors in January were Choose... years older than visitors in July.
From the given box and whisker plot, On average, visitors in January were 10 years older than visitors in July.
How to Interpret Box and Whisker Plot?A box and whisker plot is a graph plot that indicates whether a distribution is skewed and whether there are potential unusual observations (outliers) in the data set.
Now, the way to interpret it is as follows;
The left side of the box is the lower quartile. The right side of the box is the upper quartile. The box covers the interquartile interval, where 50% of the data is found.The vertical line that split the box in two is referred to as the median. The whiskers are the two lines outside the box, that go from the minimum to the lower quartile and then from the upper quartile to the maximum.Now, looking at the box and whisker plot for January and July, we can say that those in January are approximately 10 years older than those in July.
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A plant is already 55 centimeters tall, and it will grow one centimeter every month.
Let h be the plant's height (in centimeters) after m months.
Write an equation relating h to m. Then use this equation to find the plant's height after
12 months.
The equation that relates h and m is h = 55 + m.
The height of the plant after 12 month is 67 cm.
How to represent a situation with an equation?A plant is already 55 centimetres tall, and it will grow one centimetre every month.
let
h = plant heightm = number of monthsThe equation relating h and m can be represented as follows:
h = 55 + m
Let's use the equation to find the plant's height after 12 months.
Therefore,
h = 55 + 12
h = 67 centimetres
Therefore,
height of the plant after 12 months = 67 centimetres
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Solve the following system of equations.
y = –5x + 3
y = 2x2 – x – 3
Answer:
Step-by-step explanation:
the first would be _3 ,0
5
and the second would be 0,3
Find the LCM of 18, 54, and 63.
Answer:
378
Step-by-step explanation:
Start with prime factoriazation
18 = 2 * 3 * 3
54 = 2 * 3 * 3* 3
63 = 3 * 3 * 7
2 * 3 * 3 * 3 * 7 = 378
barry has 1/3 of bag a candy left over from his party .of this candy ,1/3 of it is chocolate .how much of the total bag is chocolate?
Answer:
1/6
Step-by-step explanation:
if there is 1/3 bag of candy, 1/3 of 1/3 is 1/9
The coordinates of a triangle are (1, 4), (3,5), and (0,8). The coordinates of the translated triangle are (3,5), (5, 6), and (2, 9). Find the translation vector.
Since the coordinates of the translated triangle are (3,5), (5, 6), and (2, 9), the translation vector is (x, y) → (x + 2, y + 1).
What is a translation?In Mathematics, the translation a geometric figure or graph to the right simply means adding a digit to the value on the x-coordinate of the pre-image while the translation a geometric figure or graph upward simply means adding a digit to the value on the y-coordinate (y-axis) of the pre-image.
By translating the pre-image of this triangle vertically upward by 1 unit and horizontally right by 2 units, the coordinates of the image include the following:
(x, y) → (x + 2, y + 1)
(1, 4) → (1 + 2, 4 + 1) = (3, 5).
(3, 5) → (3 + 2, 5 + 1) = (5, 6).
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Solve by Factoring:
2x^2 - x - 3 = 0
Answer:
x = 3/2 or x = -1
Step-by-step explanation:
2x² - x - 3 = 0
2*(-3) = -6
Factors of -6:
(-1, 6), (1, -6), (-2, 3), (2, -3)
We need to find a pair that adds up to the co-eff of x which is (-1)
Factors :(2,-3)
2 - 3 = -1
so, 2x² - x - 3 = 0 can be written as:
2x² + 2x - 3x - 3 = 0
⇒ 2x(x + 1) -3(x + 1) = 0
⇒ (2x - 3)(x + 1) = 0
⇒ 2x - 3 = 0 or
x + 1 = 0
⇒ 2x = 3 or x = -1
⇒ x = 3/2 or x = -1
solve the system of equations
y-5=x
x=-2-y y = ( , )
Answer:
y=1.5
x=-3.5
Our answer is (-3.5,1.5)
Step-by-step explanation:
y-5=x
x=-2-y
y=?
--------
Using substitution,
y-5=-2-y
Solve:
2y-5=-2
2y=3
y=1.5
We can enter 1.5 into the equation:
1.5-5=x
-3.5=x
For his birthday, Zack and three of his friends went to a movie. They each got a ticket for $8.00 and the same snack from the concession stand. If Zacks mom paid $48 for the groups tickets and snacks how much did each snack set cost?
Answer:
$4.00
Step-by-step explanation:
There is, in total, 4 people attending the movies. [Zack and his 3 friends]
If each ticket costs $8.00, we can use 4 x $8.00 to find out how much the tickets costs.
4 x $8.00 = $32.00
If his mom paid $48 dollars in total, to get the amount of money they spent on snacks, we can use $48 - $32.
$48 - 32 = $16
We can now divide $16.00 by 4, as everyone [Zack and his 3 friends] got the same snack from the concession stand, and that leaves us with the equation: $16/4 [also known as 16 divided by 4]
$16/4 = $4.00
Each snack set cost $4.00
The price of call of duty modern warfare Remastered was reduced from $60 to $45 By what percent was the price of the video game
Answer:
25%
Step-by-step explanation:
$60 times ? = $45
$60 - $45 = $15
$15 were reduced and 15/60 = 25%
Answer: 25%
Step-by-step explanation:
25
PLEASE HELP ASAP!!!
I'd really appreciate the help, thanks in advance.
The questions below can be solved using the relation between angular size, physical size and distance. For the questions below, provide a complete solution with explanation.
1. Find the Sun's diameter. The sun has an angular diameter of about 0.5° and an average distance from the Earth of about 150 million km. What is the sun's approximate physical diameter? Compare your answer to the actual value of 1 390 000 km.
2. Find a Star's Diameter. The supergiant star Betelgeuse (in the constellation Orion) has a measured angular diameter of 0.040 arcsecond from Earth and a distance from Earth of 720 light-years. What is the actual diameter of Betelgeuse? Compare your answer to the size of our Sun and the Earth-Sun distance.
The physical diameter of the sun will be 1309000km and the percentage of difference between the diameters will be 5.8%.
How to calculate the diameter?From the information, the sun has an angular diameter of about 0.5° and an average distance from the Earth of about 150 million km. The angular diameter in radians will be:
= 0.5π / 180
= 0.008727 radians
Distance from the sun = 150 × 10^6
The physical diameter of the sun will be:
= 150 × 10^6 × 0.008727
= 1309000km
The difference between the diameters will be:
= 1390000 - 1309000
= 8.1 × 10^4.
The percentage of difference will be:
= (8.1 * 10^4) / 1390000 × 100
= 5.8%
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There are 680 raisins in 8 bags. If each bag has the same number of raisins, how many raisins are in 12 bags?
Answer:
1020 raisins
Step-by-step explanation:
Let's set up a proportion using the following setup:
raisins/bags= raisins/ bags
We know there are 680 raisins in 8 bags.
680 raisins/8 bags= raisins/bags
We don't know how many raisins are in 12 bags, so we can say x raisins are in 12 bags.
680 raisins/ 8 bags= x raisins / 12 bags
680/8=x/12
We want to find x. To do this, we must get x by itself.
x is being diveded by 12. The inverse of division is multiplication. Multiply both sides of the equation by 12.
12*(680/8)= (x/12)*12
12*680/8=x
12*85=x
1020=x
x= 1020 raisins
There are 1020 raisins in 12 bags.
The scores earned in a flower-growing competition are represented in the stem-and-leaf plot.
0 5
1 0, 3, 7
2 4, 6, 8
3 2
4
5 8
Key: 5|8 means 58
What is the appropriate measure of variability for the data shown, and what is its value?
The range is the best measure of variability, and it equals 18.5.
The IQR is the best measure of variability, and it equals 45.
The range is the best measure of variability, and it equals 45.
The IQR is the best measure of variability, and it equals 18.5.
The IQR is the best measure of variability, and it equals 45.
What is Variability of data?Data variation can be caused by a variety of sources. Variability is also known as data spread. The standard deviation is a measure of variability since it measures the spread of data.
The range is the best measure of variability for the data shown, and its value is 45.
The range is defined as the difference between the largest and smallest values in a set of data.
In this case, the largest score is 88 and the smallest score is 20, so the range is 88 - 20 = 68.
The IQR (interquartile range) is another measure of variability, but it is not the best measure for this data set because the data set has only a few values and does not form a normal distribution. The IQR is a more appropriate measure for larger data sets that form a normal distribution.
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how do i solve intervals
Solve the equation
What is the k
Answer:
17
Step-by-step explanation:
divide by 3 on both sides
51/3 = 3/3k
17 = k
your answer is 17
Answer:
51/3=17
k = 17
Step-by-step explanation:
Find f(6), f(0), and f(-1)
f(x)=-7X
Answer:
f(6)=-42
f(0)=0
f(-1)=7
Step-by-step explanation:
since f(x) =-7x
it implies that f(6),f(0) and f(-1) are all equal to f(x)
which is equal to -7x .
so wherever you find x you out it in the
function
Someone help! I will really appreciate it if someone helped me.
Answer:
A
E
F
Step-by-step explanation: there the even ones
(6x + 7) - (-9x - 9)
Answer:
-3x+16
Step-by-step explanation:
(6x+7)-(9x-9)
Collect like terms
6x-9x = -3x
7+9= 16
answer is -3x+16
Answer:
15x + 16
Explanation:
Basically whatever you are solving for in this question, the answer will be the exact same
Solve the equation 3 + x/-2 =10
3+x/-2 =10
x/-2 = 10-3
x/-2 = 7
x = 7*-2
x = -14
Answer:
x= -14
Step-by-step explanation:
the volume of a cone with a radius of 6 and slant height of 10
Answer:
21.161
Step-by-step explanation:
use Pythagoras theorem ti find your slant height
then you use your formula which
\(1 \3\pi {r }^{2} h\)
Which inequality is true?
3 2
0-1
0-1
3
Pls help