At what value of x does the function $f ( x ) = \frac { 1 } { 1 + x ^ { 2 } }$ change from increasing to decreasing?
A)1
B) $- 1$
C) $- \frac { 1 } { 2 }$
D)2
E) $\frac { 1 } { 2 }$
F) $- 2$
G)0
H) $- \frac { 3 } { 2 }$

Question

At what value of x does the function $f ( x ) = \frac { 1 } { 1 + x ^ { 2 } }$ change from increasing to decreasing?
A)1
B) $- 1$ 
C) $- \frac { 1 } { 2 }$ 
D)2
E) $\frac { 1 } { 2 }$ 
F) $- 2$ 
G)0
H) $- \frac { 3 } { 2 }$

Quizplus · Accepted Answer

The Answer of At what value of x does the function $f ( x ) = \frac { 1 } { 1 + x ^ { 2 } }$ change from increasing to decreasing?
A)1
B) $- 1$ 
C) $- \frac { 1 } { 2 }$ 
D)2
E) $\frac { 1 } { 2 }$ 
F) $- 2$ 
G)0
H) $- \frac { 3 } { 2 }$

At What Value of X Does the Function f(x)=11+x2f ( x ) = \frac { 1 } { 1 + x ^ { 2 } }f(x)=1+x21​

At What Value of X Does the Function $f ( x ) = \frac { 1 } { 1 + x ^ { 2 } }$