Determine Which of the Rational Functions Given Below Has the Following

question 307

Multiple Choice

Determine which of the rational functions given below has the following feature(s) .
- $x$ -intercepts: $( - 3,0 )$ and $( 3,0 ) , y$ -intercept: $( 0,9 )$ , vertical asymptotes: $x = - 1$ and $x = 1$ , horizontal asymptote: $y = 1$

• A) \(f ( x ) = \frac { ( x - 1 ) ( x + 1 ) } { ( x - 3 ) ( x + 3 ) }\)
• B) \(f ( x ) = \frac { ( x + 1 ) ( x - 1 ) } { ( x + 3 ) ( x - 3 ) }\)
• C) \(f ( x ) = \frac { ( x + 3 ) ( x - 3 ) } { ( x + 1 ) ( x - 1 ) }\)
• D) \(f ( x ) = \frac { ( x - 3 ) ( x + 3 ) } { ( x - 1 ) ( x + 1 ) }\)

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