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April 25, 2014

Homework Help: calculus

Posted by rachel on Sunday, October 23, 2011 at 7:29pm.

im having so much trouble figuring out how to get these answers. i already know the answers i just need to figure out how to get them...

directions: find the points of inflection and discuss the concavity of the graph of the function...

1. f(x)=(1/2)x^4+2x^3
2. f(x)=x^3-6x^2+12x
3. f(x)=(1/4)x^4-2x^2
4. f(x)=2sinx+sin2x, [0,2)

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