State Whether the Function Is a Polynomial Function or Not $f ( x ) = \frac { x ^ { 4 } - 7 } { x ^ { 3 } }$

Multiple Choice

State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.
- $f ( x ) = \frac { x ^ { 4 } - 7 } { x ^ { 3 } }$

A) Yes; degree -3
B) Yes; degree 3
C) No; it is a ratio of polynomials
D) Yes; degree 4