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Use a Graphing Calculator to Approximate the Real Zeros f(x)=4x3+x2−20x−5f ( x ) = 4 x ^ { 3 } + x ^ { 2 } - 20 x - 5

Question 353

Multiple Choice

Use a graphing calculator to approximate the real zeros. Give each zero as a decimal to the nearest tenth.
- f(x) =4x3+x2−20x−5f ( x ) = 4 x ^ { 3 } + x ^ { 2 } - 20 x - 5


A) −0.3,2.2,−2.2- 0.3,2.2 , - 2.2
B) 0.3,2.2,−2.20.3,2.2 , - 2.2
C) −4,2.3,−2.3- 4,2.3 , - 2.3
D) 4,5,−54,5 , - 5

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