Posted by **009** on Wednesday, February 27, 2013 at 8:24am.

Evaluate the integral of abs(x) from -4 to 4.

- Calc -
**Steve**, Wednesday, February 27, 2013 at 11:53am
graph f(x). It is just two triangles of base 4, height 4. No integration required.

If you do insist on integrating, recognize that f(x) is a piecewise function, and must be divided at x=0.

f(x) = -x for x<0

f(x) = x for x>=0

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