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Applying the Power Rule

AP Calculus AB· difficulty 1/5

If f(x)=x7f(x) = x^7, then f′(x)=f'(x) =

  • A

    7x77x^7

  • B

    7x67x^6

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  • C

    x6x^6

  • D

    x88\tfrac{x^8}{8}

Explanation

Power rule: ddxxn=nxn−1\frac{d}{dx}x^n = n x^{n-1}.

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