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anonymous
 one year ago
How would I solve this?
anonymous
 one year ago
How would I solve this?

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campbell_st
 one year ago
Best ResponseYou've already chosen the best response.2start by rewriting the function in index form \[f(x) = \frac{9}{x}~~~~or~~~~~f(x) = 9x^{1}\] now you can find the derivative when you get the derivative just substitute x =12 and calculate an answer

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.2or if you wait someone always gives the answer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Well how do I find the derivative, I'm not familiar with the process.

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.2ok... well if you don't understand the process of differentiation, then it's extremely difficult to complete this question. so have you studied any calculus..?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I do not understand differentiation that well, as I am self taught.

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.2ok, well here are some good online notes that take you through the process and methods but the basic thing for your question, now it's rewritten is to use this if \[f(x) = ax^n\] then the derivative is \[f'(x) = n \times ax^{n 1}\] here are the notes http://tutorial.math.lamar.edu/Classes/CalcI/DerivativeIntro.aspx hope they help

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thanks, you've been very helpful.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I think it is 1/16 is that correct?
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