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Use the Intermediate Value Theorem to Determine Whether the Polynomial f(x)=5x53x3+8x21;[2,1]f ( x ) = 5 x ^ { 5 } - 3 x ^ { 3 } + 8 x ^ { 2 } - 1 ; [ - 2 , - 1 ]

Question 284

Multiple Choice

Use the Intermediate Value Theorem to determine whether the polynomial function has a zero in the given interval.
- f(x) =5x53x3+8x21;[2,1]f ( x ) = 5 x ^ { 5 } - 3 x ^ { 3 } + 8 x ^ { 2 } - 1 ; [ - 2 , - 1 ]


A) f(2) =105f ( - 2 ) = 105 and f(1) =5f ( - 1 ) = - 5 ; yes
B) f(2) =105f ( - 2 ) = 105 and f(1) =5f ( - 1 ) = 5 ; no
C) f(2) =105f ( - 2 ) = - 105 and f(1) =5f ( - 1 ) = 5 ; yes
D) f(2) =105f ( - 2 ) = - 105 and f(1) =5f ( - 1 ) = - 5 ; no

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