What is the first derivative of 2x-1 ?

The first derivative of 2x-1 is 2

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derivative of 2x-1

derivative of

2 x - 1

2

Solution steps

\frac{d}{d x} (2 x - 1)

Apply the Sum/Difference Rule:

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

= \frac{d}{d x} (2 x) - \frac{d}{d x} (1)

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

\frac{d}{d x} (1) = 0

= 2 - 0

Simplify

= 2

f (x) = 3 x^{2} - 2 x + 3

\frac{d ^{2} y}{d x ^{2}}, x^{2} + y^{2} = 20

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