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# Math help! Please explain!?

Find and simplify the difference quotient f(x-h)-f(x) over h... h does not equal 0 for the given functions.

f(x)=3x^2-1

Thank you in advance!

### 1 Answer

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- Anonymous9 years agoFavorite Answer
We have...

f(x - h) = 3x² - 6xh + 3h² - 1

f(x) = 3x² - 1

Then...

(3x² - 6xh + 3h² - 1 - 3x² + 1)/h

= (-6xh + 3h²)/h

= -6x + 3h

I hope this helps!

Source(s): Σ

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