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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  • Anonymous
    9 years ago
    Favorite 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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