What is the derivative of 21x+x^2 ?

The derivative of 21x+x^2 is 21+2x

What is the first derivative of 21x+x^2 ?

The first derivative of 21x+x^2 is 21+2x

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\frac{d}{d x} (21 x + x^{2})

21 + 2 x

Solution steps

\frac{d}{d x} (21 x + x^{2})

Apply the Sum/Difference Rule:

(f \pm g)^{'} = f^{'} \pm g^{'}

= \frac{d}{d x} (21 x) + \frac{d}{d x} (x^{2})

\frac{d}{d x} (21 x) = 21

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

= 21 + 2 x

What is the derivative of 21x+x^2 ?
The derivative of 21x+x^2 is 21+2x
What is the first derivative of 21x+x^2 ?
The first derivative of 21x+x^2 is 21+2x