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2 years ago

How would I solve for this?

Mathematics

1 answer:

zheka24 [161]2 years ago

3 0

Use a protractor it will help a lot that what I am doing in class you see the little hole on the protractor right you put were you see the dot and put the hole on the dot then you make the line and then it will give your answer

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Find the average rate of change of f(x) = 3(2)* between x = 1 and x = 4<br>

astraxan [27]

<h3><u>Question:</u></h3>

Find the average rate of change of f(x) = 3(2)^x between x = 1 and x = 4

<h3><u>Answer:</u></h3>

The average rate of change is 14

<h3><u>Solution:</u></h3>

The rate of change is given by formula:

$\text { Average Rate }=\frac{f(b)-f(a)}{b-a}$

Here the given interval is x = 1 and x = 4

Therefore, the formula becomes,

$\text { Average Rate }=\frac{f(4)-f(1)}{4-1}\\\\\text { Average Rate }=\frac{f(4)-f(1)}{3}$

Let us find f(4) and f(1)

Given function is:

$f(x)=3(2)^x$

Substitute x = 4 in function

$f(4)=3(2)^4\\\\f(4) = 3 \times 16 = 48$

Thus f(4) = 48

Substitute x = 1 in function

$f(1) = 3(2)^1\\\\f(1) = 6$

Now substitute the values back into formula

$\text { Average Rate }=\frac{f(4)-f(1)}{3}\\\\\text { Average Rate }= \frac{48-6}{3}\\\\\text { Average Rate }= 14$

Thus average rate of change is 14

8 0

4 years ago

Pls help :(

kramer

12 servings of this doesn’t make sense comment and i will explain it!

8 0

3 years ago

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What is y=x-4 and y=4x-10

PolarNik [594]

Answer:

I got an answer of X = 2

Step-by-step explanation:

I used subtituion and got 2

6 0

4 years ago

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Please i really need help with this

jok3333 [9.3K]

It’s 2
Explanation

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You have to constantly add 2
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You have to constantly add 2
Which means it’s 2

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3 years ago

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Solve for r 4r + 8 = 7.2 + 5r

sineoko [7]

Answer: r=0.8

Step-by-step explanation:

4r + 8 = 7.2 + 5r

8=7.2+r

8-7.2=r

0.8=r

5 0

3 years ago

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