Homework Help: Calculus

Posted by Anonymous on Saturday, November 10, 2012 at 12:55am.

f(x) = 9^x*log_{4}x
f'(x)=?

Calculus - Steve, Saturday, November 10, 2012 at 2:10am
f = 9^x log₄x
f' = ln9 9^x + 1/(x ln4)

because log₄x = lnx/ln4

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