Find the X-Intercepts (If Any)for the Graph of the Quadratic $f ( x ) = x ^ { 2 } + 16 x + 47$

Multiple Choice

Find the x-intercepts (if any) for the graph of the quadratic function.
- $f ( x ) = x ^ { 2 } + 16 x + 47$ Give your answers in exact form.

A) $( - 8 \pm \sqrt { 17 } , 0 )$
B) $( 8 + \sqrt { 17 } , 0 )$
C) $( 8 \pm \sqrt { 47 } , 0 )$
D) $( - 16 \pm \sqrt { 47 } , 0 )$