If the Following Is a Polynomial Function, Then State Its $$f ( x ) = - 1 - 5 x - 18 x ^ { 2 } - 9 x ^ { 3 } - 12 x ^ { 4 }$$

Multiple Choice

If the following is a polynomial function, then state its degree and leading coefficient. If it is not, then state this fact.
- $$f ( x ) = - 1 - 5 x - 18 x ^ { 2 } - 9 x ^ { 3 } - 12 x ^ { 4 }$$

A) Degree: 4 ; leading coefficient: $- 1$
B) Degree: $- 1$ ; leading coefficient: $- 12$
C) Degree: 4; leading coefficient: $- 12$
D) Not a polynomial function.