Classify the Function F(x) = $\frac { \pi ^ { 2 } + x ^ { 2 } } { e }$

Multiple Choice

Classify the function f(x) = $\frac { \pi ^ { 2 } + x ^ { 2 } } { e }$

A) Power function
B) Root function
C) Polynomial function
D) Rational function
E) Algebraic function
F) Trigonometric function
G) Exponential function
H) Logarithmic function