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## Homework Statement

http://img241.imageshack.us/img241/7753/scan0001io9.th.jpg [Broken]

## Homework Equations

## The Attempt at a Solution

i completed the first part fine- knowing the function makes a u shape with min point being 0 and max being 1/2 at both +/- 1. i cant see how using the mean value theorem has much to do with part b) or how part a) helps.

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