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January 26, 2015

January 26, 2015

Posted by **Allison** on Thursday, September 29, 2011 at 1:05pm.

find f′(4).

- Calculus -
**Steve**, Thursday, September 29, 2011 at 2:36pmf(x) = 3x^-2

f'(x) = 3*(-2)x^-3 = -6/x³

f'(4) = -6/64 = -3/32

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