$\text { Evaluate the limit } \lim _ { x \rightarrow 8 ^ { + } } \left( \frac { 21 x - 40 } { x ^ { 2 } - 64 } - \frac { x } { x - 8 } \right) \text {, using L'Hopital's Rule if necessary. }$

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The Answer of $\text { Evaluate the limit } \lim _ { x \rightarrow 8 ^ { + } } \left( \frac { 21 x - 40 } { x ^ { 2 } - 64 } - \frac { x } { x - 8 } \right) \text {, using L'Hopital's Rule if necessary. }$

A) $\frac { 3 } { 16 }$ B) $- \frac { 3 } { 8 }$

Definitions:

A) 316\frac { 3 } { 16 }163​ B) −38- \frac { 3 } { 8 }−83​

Definitions:

A) $\frac { 3 } { 16 }$ B) $- \frac { 3 } { 8 }$