State Whether the Function Is a Polynomial Function or Not $f ( x ) = \frac { 6 } { 5 } - \frac { 1 } { 5 } x$

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.
- $f ( x ) = \frac { 6 } { 5 } - \frac { 1 } { 5 } x$

A) Yes; degree 0
B) Yes; degree 5
C) No; x has a fractional coefficient
D) Yes; degree 1