AP Calculus ABeasymcq1 pt

If y=x8y=x^8, then dydx=\dfrac{dy}{dx}=

A.x7x^7
B.8x78x^7
C.8x98x^9
D.7x87x^8

Explanation

Core Concept

Using Leibniz notation, dydx=ddx[x8]=8x7\dfrac{dy}{dx}=\dfrac{d}{dx}[x^8]=8x^7. This is the power rule with exponent 88.

Correct Answer

B8x78x^7

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