Find f'(x) don't know how to slove this 3) f(x) = log9(2^x + 1) the 9 is subscript
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Originally Posted by bigton Find f'(x) don't know how to slove this 3) f(x) = log9(2^x + 1) the 9 is subscript
so what rule is this and do i just sub
Originally Posted by theflyingcow so what rule is this and do i just sub That used many rules. If you have to take the derivative of something in the exact form of , then yes you can substitute. But this isn't worth memorizing, I promise you.
so subing into the variables into the equation is the answer
For this problem, yes.
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