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22-03-2017
Mathematics

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Let f(x)=x2+2x+3 .

What is the average rate of change for the quadratic function from x=−2 to x = 5?

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22-03-2017

Average change is (y2-y1)/(x2-x1)

y=x^2+2x+3 so

(38-3)/(5--2)=35/7=5

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