Find All the Real Zeros of F(x) = 4x³ - $\frac { 1 } { 4 }$

question 29

Multiple Choice

Find all the real zeros of f(x) = 4x³ - 12x² - 15x - 4.

• A)x = \(\frac { 1 } { 4 }\) , 2
• B)x = \(- \frac { 1 } { 2 }\) , \(- \frac { 1 } { 4 }\)
• C)x = \(\frac { 1 } { 2 }\) , \(- \frac { 1 } { 4 }\)
• D)x = \(- \frac { 1 } { 2 }\) , 4
• E)x = \(- \frac { 1 } { 2 }\) , -4

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