Find the X-Intercepts of the Polynomial Function $$f ( x ) = x ^ { 3 } + 8 x ^ { 2 } + 20 x + 16$$

question 361

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.
- $$f ( x ) = x ^ { 3 } + 8 x ^ { 2 } + 20 x + 16$$

• A) \(- 2\), touches the \(x\)-axis and turns around;
• \(- 4\), crosses the \(x\)-axis.
• B) \(- 2\), crosses the \(x\)-axis;
• \(- 4\), touches the \(x\)-axis and turns around
• C) 2 , crosses the \(x\)-axis;
• \(- 2\), crosses the \(x\)-axis;
• \(- 4\), crosses the \(x\)-axis.
• D) 2, crosses the x-axis;
• \(- 2\), touches the \(x\)-axis and turns around;
• \(- 4\), crosses the \(x\)-axis.

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