Saturday
September 20, 2014

Homework Help: Precalculus

Posted by Emily on Tuesday, September 1, 2009 at 9:44pm.

I'm sorry I'm posting so many questions, I promise this is the last one tonight :)

The leading coefficient of a cubic polynomial P is 2, and the coefficient of the linear term is -5. If P(0)=7 and P(2)=21, find P(3).

I DO NOT understand how to even start this one. I thought as you write out the equation, you also have to add the constant at the end that makes the equation comply with the P(0)=... terms above, but that doesn't work. ANY help is greatly appreciated! :D

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