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# Find the average value of the function on the given interval.$f(x) = 3x^2 +8x$ , $[-1, 2]$

## $f_{a v g}=7$

#### Topics

Applications of Integration

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### Video Transcript

we're gonna be using the average well, you formula, which is one over B minus ace in this context to minus negative one. The integral from negative wanted to lower the upper bounds. Then our function, and then obviously D of X is we're taking the integral the simplifies to 1/3 times x cubed plus four x squared from tooting negative Juan, which is 1/3 times eight for 16 minus 1/3 times negative one plus four, which gives us seven was our solution.

#### Topics

Applications of Integration

Lectures

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