Determine Which of the Rational Functions Given Below Has the Following

question 280

Multiple Choice

Determine which of the rational functions given below has the following feature(s) .
-There is a "hole" in its graph at $x = 4$

• A) \(f ( x ) = \frac { ( x - 4 ) ( x + 9 ) } { ( x + 5 ) ( x - 4 ) }\)
• B) \(f ( x ) = \frac { 4 x - 1 } { x + 9 }\)
• C) \(f ( x ) = \frac { x + 4 } { ( x + 9 ) ( x + 4 ) }\)
• D) \(f ( x ) = \frac { x + 9 } { x - 4 }\)

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