What is the first derivative of 4-2x ?

The first derivative of 4-2x is -2

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derivative of 4-2x

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

- 2

Solution steps

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

Apply the Sum/Difference Rule:

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

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

\frac{d}{d x} (4) = 0

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

= 0 - 2

Simplify

= - 2

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