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What is the average rate of change of the function f(x)=2x^2+x+5 over the interval -2
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43 votes
What is the average rate of change of the function f(x)=2x^2+x+5 over the interval -2

What is the average rate of change of the function f(x)=2x^2+x+5 over the interval-example-1
User Egze
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1 Answer

22 votes
22 votes

we get that:


\begin{gathered} f(2)=8+2+5=15 \\ f(-2)=8-2+5=11 \end{gathered}

so the average change is:


m=(15-11)/(2--2)=(4)/(4)=1

so the answer is the option C

User Yckart
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