Find All Points of Discontinuity, and Determine Whether There Is $f ( x ) = \frac { x - 1 } { x ^ { 2 } - 1 }$

question 18

Multiple Choice

Find all points of discontinuity, and determine whether there is a hole or a vertical asymptote at each point.
- $f ( x ) = \frac { x - 1 } { x ^ { 2 } - 1 }$

• A)-1: hole; 1: vertical asymptote
• B)1: hole; -1: vertical asymptote
• C)-1: vertical asymptote
• D)1: vertical asymptote

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Stereotypic Judgments

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