Use a Graphing Device to Determine Whether $\lim _ { x \rightarrow - 2 } \frac { x ^ { 3 } - x ^ { 2 } - 10 x - 8 } { - 2 x ^ { 3 } - 12 x ^ { 2 } - 6 x + 20 }$

Essay

Use a graphing device to determine whether $\lim _ { x \rightarrow - 2 } \frac { x ^ { 3 } - x ^ { 2 } - 10 x - 8 } { - 2 x ^ { 3 } - 12 x ^ { 2 } - 6 x + 20 }$ exists. If the limit exists, estimate its value to two decimal places.