Find the Slope of the Curve at the Indicated Point $f ( x ) = \frac { 1 } { x + 1 }$

question 19

Multiple Choice

Find the slope of the curve at the indicated point.
-Find equations of all tangents to the curve $f ( x ) = \frac { 1 } { x + 1 }$ that have slope $- 1$ .

• A) \(y = - x + 3\)
• B) \(y = - x + 1 , y = - x - 3\)
• C) \(y = - x + 3 , y = - x + 1\)
• D) \(y = - x + 1\)

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