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If f(x) = x2 + 2x + 3, what is the average rate of change of f(x) over the interval [-4, 6]?

If f(x) = x2 + 2x + 3, what is the average rate of change of f(x) over the interval [-4, 6]?
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2 votes
If f(x) = x2 + 2x + 3, what is the average rate of change of f(x) over the interval [-4, 6]?

User Aniket Sharma
by
8.4k points

1 Answer

2 votes
The average is given by

fav = f(a) - f(b)/a-b

f(-4) = 11
f(6) = 51

fav = 51 -11/-4 -6 = -4

User Mistergreen
by
7.9k points
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