Find All Real Zeros of the Polynomial $f ( x ) = x ^ { 3 } + 3 x ^ { 2 } - 49 x - 147$

question 92

Multiple Choice

Find all real zeros of the polynomial $f ( x ) = x ^ { 3 } + 3 x ^ { 2 } - 49 x - 147$ and determine the mutiplicity of each.

• A) \(x = 7\), multiplicity \(2 ; x = - 3\), multiplicity 1
• B) \(x = 7\), multiplicity \(1 ; x = - 7\), multiplicity \(1 ; x = - 3\), multiplicity 1
• C) \(x = - 3\), multiplicity \(2 ; x = - 7\), multiplicity 1
• D) \(x = - 7\), multiplicity \(1 ; x = 3\), multiplicity \(1 ; x = - 3\), multiplicity 1
• E) \(\quad x = - 3\), multiplicity 3

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