Posted by **Ben** on Wednesday, September 22, 2010 at 11:19am.

Use the function defined below to calculate the indicated derivative.

f(t)= 4/(t^3)+3

what is f''(2)

(second derivative)

Need help!!

- calculus -
**MathMate**, Wednesday, September 22, 2010 at 11:42am
Use the power rule,

(x^{n})' = nx^{n-1}

To find f"(t), repeat the differentiation.

Hint:

4/t³ = 4t^{-3}

- calculus -
**Anonymous**, Thursday, October 21, 2010 at 4:57pm
Use implicit differentiation to find the slope of the tangent line to the curve

4 x^2 + 2 xy + 1 y^3 = 32

at the point ( -3,2 ).

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