For Which Value Of $x$ Does $6 + 11 x - 7 x ^ { 2 }$

Multiple Choice

For which value of $x$ does $6 + 11 x - 7 x ^ { 2 }$ reach a maximum? Restrict your attention to the horizontal span of 0 to 11.

A) 2.34
B) 10.32
C) 0.79
D) 14.29