State Whether the Function Is a Polynomial Function or Not $$f ( x ) = x ^ { 3 / 2 } - x ^ { 6 } + 7$$

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.
- $$f ( x ) = x ^ { 3 / 2 } - x ^ { 6 } + 7$$

A) Yes; degree $3 / 2$
B) Yes; degree 3
C) Yes; degree 6
D) No; $x$ is raised to non-integer $3 / 2$ power