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The graph of f(x) = 2x + 1 is shown below. Explain how to find the average rate of change between x = 0 and x = 3.

2 Answers

4 votes

Answer:

The average rate of change is 2.

Explanation:

If we have a function f(x),

Then the average rate of change in the function from x = a to x = b is,


(f(b)-f(a))/(b-a)

Here, the given function is,

f(x) = 2x + 1 -----(1)

Thus, the average rate of change between x = 0 and x = 3 is,


(f(3)-f(0))/(3-0)

From equation (1),


=((2* 3+1)-(2* 0+1))/(3)


=(7-1)/(3)


=(6)/(3)


=2

User Hadja
by
8.3k points
3 votes
My answer to the problem is as follows:

average rate of change = (f(3) - f(1))/(3-1)

graph 2^x + 1

(1) graph 2^x

(2) move the graph up by 1

I hope my answer has come to your help. God bless and have a nice day ahead!
User Gfxmonk
by
8.3k points

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