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F of x form. I need help working this problem out
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5 votes
F of x form.
I need help working this problem out

F of x form. I need help working this problem out-example-1
User Vicky S
by
6.3k points

1 Answer

6 votes
The formula for "average rate of change of a function from x=a to x=b" is

f(b) - f(a)
arc = ------------------
b - a

Here that is

4^3 - 2^3 64 - 8
arc = --------------- = ------------ = 56/2 = 28 (answer to part b)
4 - 2 2

User Shauntay
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5.8k points
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