State Whether the Function Is a Polynomial Function or Not $$f ( x ) = x ( x - 9 )$$

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.
- $$f ( x ) = x ( x - 9 )$$

A) Yes; degree 1
B) Yes; degree 2
C) Yes; degree 0
D) No; it is a product