Find The Average Rate Of Change For F(X) = X2 2212 8x + 15 From X = 0 To X = 4.

Find the average rate of change for f(x) = x2 − 8x + 15 from x = 0 to x = 4.

 

f(x)=x^2-8x+15

Average rate of change for a,b = \dfrac{f(b)-f(a)}{b-a}

Avg rate or change for 0,4 = \dfrac{f(4)-f(0)}{4-0}

Avg rate of change

= \dfrac{(4^2-8\times4+15)-(15)}{4}

= \dfrac{-1-15}{4}

= \dfrac{-16}{4}

= -4


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