Find All Points of Discontinuity, and Determine Whether There Is $f ( x ) = \frac { x - 9 } { x ^ { 2 } + 4 }$

question 47

Multiple Choice

Find all points of discontinuity, and determine whether there is a hole or a vertical asymptote at each point.
- $f ( x ) = \frac { x - 9 } { x ^ { 2 } + 4 }$

• A)4: vertical asymptote
• B)-4: vertical asymptote
• C)3: vertical asymptote; -3: vertical asymptote
• D)no points of discontinuity

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