What is the derivative of f(x)=-4x^2 ?

The derivative of f(x)=-4x^2 is -8x

What is the first derivative of f(x)=-4x^2 ?

The first derivative of f(x)=-4x^2 is -8x

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derivative of

f (x) = - 4 x^{2}

- 8 x

Solution steps

\frac{d}{d x} (- 4 x^{2})

Take the constant out:

(a \cdot f)^{'} = a \cdot f^{'}

= - 4 \frac{d}{d x} (x^{2})

Apply the Power Rule:

\frac{d}{d x} (x^{a}) = a \cdot x^{a - 1}

= - 4 \cdot 2 x^{2 - 1}

Simplify

= - 8 x

What is the derivative of f(x)=-4x^2 ?
The derivative of f(x)=-4x^2 is -8x
What is the first derivative of f(x)=-4x^2 ?
The first derivative of f(x)=-4x^2 is -8x