Use a Graphing Calculator to Approximate the Real Zeros $$f ( x ) = x ^ { 3 } + x ^ { 2 } - 11 x - 11$$

question 209

Multiple Choice

Use a graphing calculator to approximate the real zeros. Give each zero as a decimal to the nearest tenth.
- $$f ( x ) = x ^ { 3 } + x ^ { 2 } - 11 x - 11$$

• A) \(1,3.3 , - 3.3\)
• B) \(1,5.5 , - 5.5\)
• C) \(1,3.3 \mathrm { i } , - 3.3 \mathrm { i }\)
• D) \(- 1,3.3 , - 3.3\)

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