Wednesday
April 23, 2014

Homework Help: Calculus

Posted by Anonymous on Friday, January 25, 2013 at 3:36pm.

Let f(x)=3x^4-2x^2+3

a) find f'(x)
Answer: f'(x)=12x^3-4x

b) find the slope of the line tangent to the graph of f at x=3.
Answer:312

So I got those firs two right but what I need help with is part C which is

c) find an equation of the line tangent to the graph of f at x=3

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