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Analyze Invalid Cancellation and Domain Errors
Grade Level
CLEP
CLEPCA.070 Analyze Invalid Cancellation and Domain Errors
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Skill Level
🔴 Hard
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Simplify (1/(x - 1) + 1/(x + 1))/(2/(x
2
- 1)) and preserve the domain.
A
1, with x != 1 and x != -1
B
x for all real x
C
1/x, with x != 0, x != 1, and x != -1
D
x, with x != 1 and x != -1
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