Problem

and Applications
Find the slope of the tangent to the curve $y=\frac{1}{x}$ at the point $P\left(-2,-\frac{1}{2}\right)$

Answer

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Answer

\(\boxed{-\frac{1}{4}}\) is the slope of the tangent to the curve y=\(\frac{1}{x}\) at the point P\(\left(-2,-\frac{1}{2}\right)\).

Steps

Step 1 :Find the derivative of the curve y=\(\frac{1}{x}\), which represents the slope of the tangent at any point on the curve.

Step 2 :The derivative of y=\(\frac{1}{x}\) is y'=\(-\frac{1}{x^2}\).

Step 3 :Substitute the x-coordinate of point P, -2, into the derivative to find the slope of the tangent at P: \(m = -\frac{1}{(-2)^2} = -\frac{1}{4}\).

Step 4 :\(\boxed{-\frac{1}{4}}\) is the slope of the tangent to the curve y=\(\frac{1}{x}\) at the point P\(\left(-2,-\frac{1}{2}\right)\).

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