Calculus

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If f(x)=[(6x^3)-3]/x^4

a)find f' (x)

b) find f'(4)

  • Calculus -

    use the quotient rule

    f ' (x) = ( x^4(18x^2) - 4x^3(6x^3 - 3) )/x^8

    simplify if needed, then evaluate
    f ' (4)

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