rangenezln rangenezln

08-05-2017
Mathematics

contestada

Find the average rate of change of f(x)= x^2-5x+2 from x=3 to x=8.

Simplify your answer as much as possible.

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Thatgiggles Thatgiggles

08-05-2017

rate of change will be the difference in f(3) and f(8). solve for the 2 first:
f(3)=3²-5(3)+2 = -4
f(8)=8²-5(8)+2 = 26

than find the difference in f(3)-f(8)= -4-26 = -30

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