[closed] Linear Algebra Help!

The graph of a cubic polynomial has horizontal tangents at (1,-2) and (-1,2). Find an equation for the cubic and sketch the graph.

Answer: p(x) = -3x + x^3

I'm having difficulty figuring out how to get to that answer.

calculus matrix algebra linear polynomial matrices math help

asked Sep 07 '11 at 00:23

sfrancis928
2.6k●33●44●79

One Answer:

2	Never mind, I figured it out. I don't have time to type it out, but here's a picture of the work if you were wondering. It's a little sloppy and I did some things in my head, but I thought I'd put it up anyway. answered Sep 07 '11 at 00:52 sfrancis928 2.6k●33●44●79

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