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17-06-2022
Mathematics

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Find the average rate of change of f(x)=10x²-7 over the interval [ 3, 9].

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Medunno13 Medunno13

30-06-2022

Answer: 120

Step-by-step explanation:

[tex]f(3)=10(3)^{2}-7=83\\\\f(9)=10(9)^2-7=803\\\\\frac{f(9)-f(3)}{9-3}=\frac{803-83}{9-3}=\boxed{120}[/tex]

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