Hey folks, I haven't the foggiest idea how to start this problem. A tip or push in the right direction or link to a resource that explains these types of problems would be just great.

I've only done problems with the Mean Value Theorem of the form "Find 2 roots of and comfirm that at some point between those roots.a. Use the Mean Value Theorem to show that for ,

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b. Use part (a), above, to conclude that for ,

Even just a hint or link would be great, thanks guys.