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It’s not a particularly simple antiderivative, and it involves a trig identity that you do not need to know for the ap exam.

here’s the work for the indefinite integral

calculus prep mini workbook

You could try this.

Check your calculations, your Average Rate of Change should be 10. Check out the Desmos demo here: https://www.desmos.com/calculator/gioy852njv

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Since it is asking for f'(c), then you can simply stop at step 3 and you see that f'(x) = 10.

I got my start with LaTeX (wasn't any more than typesetting simple equations) on AoPS; I've done most of my learning on Overleaf, an online LaTeX editor. Specifically, look at their "Documentation" under the "Help" menu to start learning.

https://www.amazon.com/Calculus-Frenzy-Jonathan-Cheng/dp/B09FP4YLWT/ref=tmm_pap_swatch_0?_encoding=UTF8&qid=&sr=

Check this out!

A Casio FX-9860GII costs $65 new on Amazon while a FX CG50 costs $75.
And a bit lower for used.

TI calculators are definitely the AirPods of calculators. Except that their hardware has been the same since 30 years or so (probably more) and it costs less than 1/1th to manufacture them.