Find the X-Intercepts (If Any) for the Graph of the Quadratic

Multiple Choice

Find the x-intercepts (if any) for the graph of the quadratic function.
- $f ( x ) = - x ^ { 2 } + 17 x - 72$

A) $( 8,0 )$ and $( 9,0 )$
B) $( - 8,0 )$ and $( - 9,0 )$
C) $( 8,0 )$ and $( - 9,0 )$
D) No x-intercepts