Find the average rate of change from 1 to 2 for the function f(x)=2x^3 + x(adsbygoogle = window.adsbygoogle || []).push({});

so I did this:

[f(2) – f(1)] – [2x^3 + x] / 2-1

= 2-1-2x^3 + x / 1

= 1-2x^3 + x

= -2x^3 + x

Right?

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# Rate of change from 1 to 2 for f(x)=2x^3 + x

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