## Forum Posts

donnatruong

Sep 15, 2018

In AP Calculus Forum

Hi Mr. G, I'm having trouble verifying that (fof^-1)(x) = (f^-1of)(x) = x for questions 19 and 43. Could you show me step-by-step how to prove that?

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donnatruong

Jun 26, 2018

In AP Calculus Forum

Some others and I were wondering if there was going to be any addition/subtraction formulas, derivations, etc. on the exam since you said we shouldn't need the toolbox.

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donnatruong

Jun 03, 2018

In AP Calculus Forum

Hi Mr.G, I don't understand how to answer question #11 and #12.. can you help?

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donnatruong

May 27, 2018

In AP Calculus Forum

Hi Mr. G, Could you explain #8? I'm guessing we have to use the double angle formula for tan 2x, but I'm not sure how to go about solving this..

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donnatruong

Apr 28, 2018

In AP Calculus Forum

I'm stuck on question #6 and I'm not sure if we went over this in class, since I wasn't here on Wednesday. I tried finding the instantaneous rate of change, but I keep getting the wrong answer. Any chance you could explain how to do this?

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# donnatruong

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