Find the X-Intercepts of the Polynomial Function $$f ( x ) = ( x + 1 ) ( x - 9 ) ( x - 1 ) ^ { 2 }$$

question 478

Multiple Choice

Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept.
- $$f ( x ) = ( x + 1 ) ( x - 9 ) ( x - 1 ) ^ { 2 }$$

• A) \(- 1\), crosses the \(x\)-axis;
• 9 , crosses the \(x\)-axis;
• 1 , touches the \(x\)-axis and turns around
• B) \(- 1\), crosses the \(x\)-axis;
• 9 , crosses the \(x\)-axis;
• 1 , crosses the \(x\)-axis
• C) 1 , crosses the x-axis;
• \(- 9\), crosses the \(x\)-axis;
• \(- 1\), touches the \(x\)-axis and turns around
• D) 1 , crosses the x-axis;
• \(- 9\), touches the \(x\)-axis and turns around;
• \(- 1\), touches the \(x\)-axis and turns around

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