I am in a 12th grade Physics class and in the beginning of the year, we learned the calculus based equation: [f(x+h) - f(x)]/h. I understand that I am trying to simplify/solve for the answer when H goes to 0 (h -> 0), and I understand that I must substitute f(x) into the given fields f(x) and f(x+h). However, I can never manage to completely simplify the problem.(adsbygoogle = window.adsbygoogle || []).push({});

Here is a sample problem we were given in Physics class earlier this year:

f(x) = x^{2}+1/x

Solve for: [f(x+h) - f(x)]/h

Can someone please help me understand how to do these sort of problems? Is there any kind of technique that can help me solve them? I need to know ASAP, as I am struggling in class.

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# I want to understand how to use the general equation [f(x) - f(x+h)]/h

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