Use a Graphing Utility to Graph the Equation $y = \frac { 5 x ^ { 2 } } { x ^ { 2 } + 25 }$

Multiple Choice

Use a graphing utility to graph the equation.Use the graph to approximate the values of x that satisfy each inequality.
Equation: $y = \frac { 5 x ^ { 2 } } { x ^ { 2 } + 25 }$
Inequality: $y \leq 2$

A) $- \infty < x \leq \frac { 5 \sqrt { 3 } } { 3 }$
B) $- \infty < x < \infty$
C) $- \frac { 5 \sqrt { 3 } } { 3 } \leq x \leq \frac { 5 \sqrt { 3 } } { 3 }$
D) $- \infty < x \leq \frac { \sqrt { 3 } } { 3 }$
E) $- \infty < x \leq 5 \sqrt { 3 }$