The Instantaneous Rate of Change Of $f ( x ) = \frac { 3 } { x + 1 }$

Multiple Choice

The instantaneous rate of change of $f ( x ) = \frac { 3 } { x + 1 }$ at c = 2 is

A) -3

B)
$- \frac { 1 } { 3 }$
C)
$\frac { 1 } { 3 }$
D) 1

E) 3