What is the limit? limit x to negative 3 of square root of x squared minus 8 end root
Answer
A
negative 5
B
square root of 2
C
1
D
square root of negative 14
Explanation
The function √(x² − 8) is continuous near x = −3, so substitute −3 directly. The expression becomes √((−3)² − 8) = √(9 − 8) = √1 = 1. Therefore, the limit is 1, choice C.
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