Use a Graphing Calculator to Approximate the Real Zeros $$f ( x ) = 2 x ^ { 3 } + x ^ { 2 } - 14 x - 7$$

question 418

Multiple Choice

Use a graphing calculator to approximate the real zeros. Give each zero as a decimal to the nearest tenth.
- $$f ( x ) = 2 x ^ { 3 } + x ^ { 2 } - 14 x - 7$$

• A) \(- 0.5,2.6 , - 2.6\)
• B) \(0.5,2.6 , - 2.6\)
• C) \(- 2,2.7 , - 2.7\)
• D) \(2,7 , - 7\)

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