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dybincka [34]
1 year ago
6

Find the value of X.

Mathematics
1 answer:
juin [17]1 year ago
3 0

Answer: 23

Step-by-step explanation:

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The answer is C. 680 is the initial value and 4.3 is the growth rate.

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What is the area of the composite shape below?
solmaris [256]
I might be wrong but it might be 62
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Which relation is a function​
erma4kov [3.2K]

Answer:

Top left one on the attached, must be option A

Step-by-step explanation:

A function has to have unique input values and for each input value has to have an output value.

Analyzing the graphs we can see that only one of them is a function- top left one

All the others have repeat input values, therefore are not functions

All those points marked with red circle

<em>Refer to attached </em>

8 0
2 years ago
Consider the equation below. (If an answer does not exist, enter DNE.) f(x) = 3 cos2(x) − 6 sin(x), 0 ≤ x ≤ 2π (a) Find the inte
marta [7]

Answer:

f(x) = 3 cos2(x) − 6 sin(x), 0 ≤ x ≤ 2π

We plot the function using a graphing calculator (See attached image below)

a) 1. Find the interval on which f is increasing.

f(x) increases for

x ∈ [π/2 , 7π/6] ∪ [3π/2, 11π/6]

2. Find the interval on which f is decreasing

f(x) decreases for

x ∈ [0 , π/2) ∪ (7π/6, 3π/2) ∪ (11π/6, 2π]

(b) Find the local minimum and maximum values of f

Local minimum.      f = -9

Local maximum.      f = 4.5

(c) 1. Find the inflection points

Please see second image attached

Points,

(x,y) = (2.50673, -2.66882)

(x,y) = (4.14456, 3.79382)

(x,y) = (5.28022, 3.79382)

2. Find the interval on which f is concave up.

x ∈ [0 , 2.50673] ∪ [4.14456, 5.28022]

3. Find the interval on which f is concave down.

x ∈ (2.50673, 4.14456) ∪ (5.28022, 2π]

7 0
2 years ago
Which of the following are congruence transformations? A.Shrinking B.Rotating C.Reflecting D.Stretching E.Translating
Soloha48 [4]
<u><em>Answers:</em></u>
Rotating
Reflecting
Translating

<u><em>Explanation:</em></u>
Congruence transformation is a transformation that does not change neither the side lengths nor the measures of the angles.
This means that the formed image is an exact copy of the original figure

<u>Now, let's check the options:</u>
<u>1- Shrinking:</u> This means that we are decreasing the side lengths. 
This option is incorrect

<u>2- Rotating:</u> This means that we are just changing the orientation of the figure without altering any measurements.
This option is correct

<u>3- Reflecting:</u> This means that we are just changing the orientation of the figure without altering any measurements.
This option is correct

<u>4- Stretching:</u> This means that we are increasing the side lengths. 
This option is incorrect

<u>5- Translating:</u> This means that we are just changing the position of the figure without altering any measurements.
This option is correct

Hope this helps :)
3 0
3 years ago
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