Given $f ( x ) = \frac { x ^ { 2 } - 10 x + 21 } { x + 5 }$

Multiple Choice

Given $f ( x ) = \frac { x ^ { 2 } - 10 x + 21 } { x + 5 }$ ,determine the equations of any slant and vertical asymptote.

A) slant: y = x + 9;vertical: x = -12
B) slant: y = x - 15;vertical: none
C) slant: y = x + 8;vertical: x = -4
D) slant: y = x - 15;vertical: x = -5
E) slant: y = x + 8;vertical: x = -8