Find the average rate of change of f(x)=10x²-7 over the interval [ 3, 9].

Cristian Toma asked Apr 28, 2023

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Cristian Toma asked Apr 28, 2023

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11 votes

Answer: 120

Explanation:

$f(3)=10(3)^(2)-7=83\\\\f(9)=10(9)^2-7=803\\\\(f(9)-f(3))/(9-3)=(803-83)/(9-3)=\boxed{120}$

Dima Mamchur answered May 2, 2023

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