What is the first derivative of 1-4x ?

The first derivative of 1-4x is -4

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derivative of 1-4x

\frac{d}{d x} (1 - 4 x)

- 4

Solution steps

\frac{d}{d x} (1 - 4 x)

Apply the Sum/Difference Rule:

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

= \frac{d}{d x} (1) - \frac{d}{d x} (4 x)

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

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

= 0 - 4

Simplify

= - 4

x \to + 0 lim (\frac{8}{6 + e ^{x}})

\int_{1}^{\infty} \frac{3}{x ^{4}} d x

\frac{( 17 - x ) 2 x + 8}{2}

x \to - 1 lim (x^{4} - 2 x^{2} - 1)

\int_{0}^{0.6} (600 x) d x