Use a CAS to Plot the Function near the Point $$\lim _ { x \rightarrow 8 } \frac { x ^ { 2 } - 9 } { \sqrt { x ^ { 2 } + 7 } - 4 }$$

question 291

Multiple Choice

Use a CAS to plot the function near the point x0 being approached. From your plot guess the value of the limit.
- $$\lim _ { x \rightarrow 8 } \frac { x ^ { 2 } - 9 } { \sqrt { x ^ { 2 } + 7 } - 4 }$$

• A) 3
• B) 4
• C) 8
• D) \(\frac { 1 } { 4 }\)

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