For the function, find the average rate of change of f from 1 to x: $\frac { f ( x ) - f ( 1 ) } { x - 1 } , x \neq 1$
-$f ( x ) = \frac { 4 } { x + 3 }$
A) $\frac { 4 } { x ( x + 3 ) }$
B) $\frac { 4 } { ( x - 1 ) ( x + 3 ) }$
C) $\frac { 1 } { x + 3 }$
D) $- \frac { 1 } { x + 3 }$

Question

For the function, find the average rate of change of f from 1 to x: $\frac { f ( x ) - f ( 1 ) } { x - 1 } , x \neq 1$
-$f ( x ) = \frac { 4 } { x + 3 }$ 
A) $\frac { 4 } { x ( x + 3 ) }$ 
B) $\frac { 4 } { ( x - 1 ) ( x + 3 ) }$ 
C) $\frac { 1 } { x + 3 }$ 
D) $- \frac { 1 } { x + 3 }$

Quizplus · Accepted Answer

The Answer of  For the function, find the average rate of change of f from 1 to x: $\frac { f ( x ) - f ( 1 ) } { x - 1 } , x \neq 1$
-$f ( x ) = \frac { 4 } { x + 3 }$ 
A) $\frac { 4 } { x ( x + 3 ) }$ 
B) $\frac { 4 } { ( x - 1 ) ( x + 3 ) }$ 
C) $\frac { 1 } { x + 3 }$ 
D) $- \frac { 1 } { x + 3 }$

For the Function, Find the Average Rate of Change of F