Use the Intermediate Value Theorem for Polynomials to Show That $f ( x ) = 9 x ^ { 4 } - 8 x ^ { 2 } - 7 ; 1$

Multiple Choice

Use the intermediate value theorem for polynomials to show that the polynomial function has a real zero between the numbers given.
- $f ( x ) = 9 x ^ { 4 } - 8 x ^ { 2 } - 7 ; 1$ and 2

A) $f ( 1 ) = 6$ and $f ( 2 ) = - 105$
B) $f ( 1 ) = - 5$ and $f ( 2 ) = 106$
C) $f ( 1 ) = 6$ and $f ( 2 ) = 105$
D) $f ( 1 ) = - 6$ and $f ( 2 ) = 105$