Find all critical numbers for the function $f ( x ) = \frac { x - 1 } { x + 1 }$ .
A)1
B) $- 1,1$
C) $1 , - 1 , - 2$
D)0
E) $- 1$
F)2
G) $1 , - 1,2$
,

H)No critical numbers

Question

Find all critical numbers for the function $f ( x ) = \frac { x - 1 } { x + 1 }$ .
A)1
B) $- 1,1$
C) $1 , - 1 , - 2$
D)0 
E) $- 1$
F)2
G) $1 , - 1,2$ 
 ,

H)No critical numbers

Quizplus · Accepted Answer

The Answer of Find all critical numbers for the function $f ( x ) = \frac { x - 1 } { x + 1 }$ .
A)1
B) $- 1,1$
C) $1 , - 1 , - 2$
D)0 
E) $- 1$
F)2
G) $1 , - 1,2$ 
 ,

H)No critical numbers

Find All Critical Numbers for the Function f(x)=x−1x+1f ( x ) = \frac { x - 1 } { x + 1 }f(x)=x+1x−1​

Find All Critical Numbers for the Function $f ( x ) = \frac { x - 1 } { x + 1 }$