Please help! What is the average rate of change of f(x) over the interval [-3,9]? (Answer in simplified fraction) Answer and explanation please

asked Oct 19, 2022 115k views

1 vote

Please help!

What is the average rate of change of f(x) over the interval [-3,9]?

(Answer in simplified fraction) Answer and explanation please

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2 votes

It's the slope of the secant line to f(x) through the points (-3, f (-3)) and (9, f (9)),

$(f(9) - f(-3))/(9 - (-3)) = (-7 - 1)/(12) = -\frac8{12} = \boxed{-\frac23}$

Mandragor answered Oct 24, 2022

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