Use a Graphing Calculator to Approximate the Real Zeros $f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 11 x - 22$

question 411

Multiple Choice

Use a graphing calculator to approximate the real zeros. Give each zero as a decimal to the nearest tenth.
- $f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 11 x - 22$

• A) \(2,3.2 , - 3.2\)
• B) \(- 2,3.3 , - 3.3\)
• C) \(2,3.3 , - 3.3\)
• D) \(- 2,3.4 , - 3.4\)