If $1 \leq f ( x ) \leq x ^ { 2 } + 6 x + 6$, for all $x$, find $\lim _ { x \rightarrow - 1 } f ( x )$
A) $- \frac { 1 } { 8 }$
B) 1
C) $- \frac { 1 } { 16 }$
D) 8
E) does not exist

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The Answer of If $1 \leq f ( x ) \leq x ^ { 2 } + 6 x + 6$, for all $x$, find $\lim _ { x \rightarrow - 1 } f ( x )$
A) $- \frac { 1 } { 8 }$
B) 1
C) $- \frac { 1 } { 16 }$
D) 8
E) does not exist

If 1≤f(x)≤x2+6x+61 \leq f ( x ) \leq x ^ { 2 } + 6 x + 61≤f(x)≤x2+6x+6

If $1 \leq f ( x ) \leq x ^ { 2 } + 6 x + 6$