Find the Extreme Values of the Function and Where They $$y = \frac { 9 x } { x ^ { 2 } + 1 }$$

Multiple Choice

Find the extreme values of the function and where they occur.
- $$y = \frac { 9 x } { x ^ { 2 } + 1 }$$

A) The minimum value is 0 at x = 0.
B) The minimum value is 0 at x = 1. The maximum value is 0 at x = -1.
C) The maximum value is 0 at x = 0.
D) The minimum value is - 92 at x = -1. The maximum value is 92 at x = 1.