If the Following Is a Polynomial Function, Then State Its $$f ( x ) = - 9 x ^ { 3 } - 4 - 19 x ^ { 4 } + x ^ { 9 } + 14 x ^ { 2 }$$

Multiple Choice

If the following is a polynomial function, then state its degree and leading coefficient. If it is not, then state this fact.
- $$f ( x ) = - 9 x ^ { 3 } - 4 - 19 x ^ { 4 } + x ^ { 9 } + 14 x ^ { 2 }$$

A) Degree: 9; leading coefficient: 1
B) Degree: 9; leading coefficient: $- 9$
C) Not a polynomial function.
D) Degree: 3 ; leading coefficient: $- 9$