What is derivative of f(x)=-7/x ,\at x=-3 ?

The answer to derivative of f(x)=-7/x ,\at x=-3 is 7/9

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derivative of f(x)=-7/x ,\at x=-3

derivative of

f (x) = - \frac{7}{x}, at x = - 3

\frac{7}{9}

Solution steps

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

Find the value of

\frac{7}{x ^{2}}

for

x = - 3 : \frac{7}{9}

\frac{7}{9}

f (x) = (2 sin^{3} (x) - 5 x)^{\frac{5}{3}}

(3, - 5), (7, 9)

2 x \cdot e^{x^{2}}

f (x, y) = - e^{x - y^{2} + x y}

(15, 3), (2, - 14)

What is derivative of f(x)=-7/x ,\at x=-3 ?
The answer to derivative of f(x)=-7/x ,\at x=-3 is 7/9