What is the derivative of f(x)=7x^4 ?

The derivative of f(x)=7x^4 is 28x^3

What is the first derivative of f(x)=7x^4 ?

The first derivative of f(x)=7x^4 is 28x^3

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derivative of

f (x) = 7 x^{4}

28 x^{3}

Solution steps

\frac{d}{d x} (7 x^{4})

Take the constant out:

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

= 7 \frac{d}{d x} (x^{4})

Apply the Power Rule:

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

= 7 \cdot 4 x^{4 - 1}

Simplify

= 28 x^{3}

What is the derivative of f(x)=7x^4 ?
The derivative of f(x)=7x^4 is 28x^3
What is the first derivative of f(x)=7x^4 ?
The first derivative of f(x)=7x^4 is 28x^3