Determine Whether the Function Is a Polynomial Function $( x ) = 4 x ^ { 3 } + 3 x ^ { 2 } - 4 x ^ { - 5 } + 75$

Determine whether the function is a polynomial function.
- $( x ) = 4 x ^ { 3 } + 3 x ^ { 2 } - 4 x ^ { - 5 } + 75$

A) No
B) Yes