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Use the Intermediate Value Theorem for Polynomials to Show That f(x)=−8x4−5x3−9x−5;−1f ( x ) = - 8 x ^ { 4 } - 5 x ^ { 3 } - 9 x - 5 ; - 1

Question 103

Multiple Choice

Use the intermediate value theorem for polynomials to show that the polynomial function has a real zero between the numbers given.
- f(x) =−8x4−5x3−9x−5;−1f ( x ) = - 8 x ^ { 4 } - 5 x ^ { 3 } - 9 x - 5 ; - 1 and 0


A) f(−1) =2f ( - 1 ) = 2 and f(0) =−4f ( 0 ) = - 4
B) f(−1) =−1f ( - 1 ) = - 1 and f(0) =−5f ( 0 ) = - 5
C) f(−1) =−1f ( - 1 ) = - 1 and f(0) =5f ( 0 ) = 5
D) f(−1) =1f ( - 1 ) = 1 and f(0) =−5f ( 0 ) = - 5

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