calculus homework help... sketching a graph of f

**asilvester635** · November 12th 2012, 06:00 PM

The figure shows the graph of f" . Sketch agraph of f. (The answer is not unique.

calculus homework help... sketching a graph of f-screen-shot-2012-11-12-4.40.17-pm.png

**jakncoke** · November 12th 2012, 06:09 PM

How about $f(x) = 3x^2 - \frac{x^3}{3}$

$f'(x) = 6x - x^2$

$f''(x) = 6 - 2x$ which is the graph in ur picture

**MarkFL** · November 12th 2012, 06:13 PM

Originally Posted by jakncoke

How about $f(x) = 3x^2 - \frac{x^3}{3}$

$f'(x) = 6x - x^2$

$f''(x) = 6 - 2x$ which is the graph in ur picture

I don't think the OP is supposed to use integration of obtain a member of the family of curves, but rather to use the implications of the given graph. Also, this topic has been posted twice.

**asilvester635** · November 17th 2012, 05:41 PM

jakncoke how did you get f(x) = 3x^2 - x^3/3?

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