derivative f(x)=-2x+7

解答

导数

f (x) = - 2 x + 7

- 2

求解步骤

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

使用微分加减法定则:

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

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

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

\frac{d}{d x} (7) = 0

= - 2 + 0

化简

= - 2

\int 7 x^{9} - 3 x^{6} + 10 x^{3} d x

x \to 0 lim (\frac{e ^{b x} - 1}{x})

x \to + 1 lim (\frac{x}{( x - 1 )})

x \to 0 lim (\frac{x - 6}{x - 2})

\frac{d ^{3}}{d x ^{3}} (1 + x)