Engineering Board Exam Reviewer · Limits · medium

Evaluate x 2x3-8/x2-4.

1. 0
2. 3
3. 4
4. 12

Answer

B. 3

Solution

Factor: (x-2)(x2+2x+4)/(x-2)(x+2)=x2+2x+4/x+2 12/4=3.

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