What is the first derivative of 7x-2 ?

The first derivative of 7x-2 is 7

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derivative of 7x-2

\frac{d}{d x} (7 x - 2)

7

Solution steps

\frac{d}{d x} (7 x - 2)

Apply the Sum/Difference Rule:

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

= \frac{d}{d x} (7 x) - \frac{d}{d x} (2)

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

\frac{d}{d x} (2) = 0

= 7 - 0

Simplify

= 7

(x + y)^{2} d x + (2 x y + x^{2} - 2) d y = 0, y (1) = 1

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\frac{\partial}{\partial x} (cos^{3} (x^{7} y^{7}))