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Use the Intermediate Value Theorem to Determine Whether the Polynomial f(x)=5x37x2+4x7;[1,2]f ( x ) = 5 x ^ { 3 } - 7 x ^ { 2 } + 4 x - 7 ; [ 1,2 ]

Question 184

Multiple Choice

Use the Intermediate Value Theorem to determine whether the polynomial function has a zero in the given interval.
- f(x) =5x37x2+4x7;[1,2]f ( x ) = 5 x ^ { 3 } - 7 x ^ { 2 } + 4 x - 7 ; [ 1,2 ]


A) f(1) =5f ( 1 ) = - 5 and f(2) =13f ( 2 ) = 13 ; yes
B) f(1) =5f ( 1 ) = 5 and f(2) =13f ( 2 ) = - 13 ; yes
C) f(1) =5f ( 1 ) = 5 and f(2) =13f ( 2 ) = 13 ; no
D) f(1) =5f ( 1 ) = - 5 and f(2) =13f ( 2 ) = - 13 ; no

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