The Instantaneous Rate of Change Of $f ( x ) = \frac { 8 } { x + 1 }$

Multiple Choice

The instantaneous rate of change of $f ( x ) = \frac { 8 } { x + 1 }$ at c = 3 is

A) -2
B) -1
C) $- \frac { 1 } { 2 }$
D) $\frac { 1 } { 2 }$
E) 2