Use the intermediate value theorem for polynomials to show that the polynomial function has a real zero between the numbers given.f(x) = x4 - 9x2 + 18; 1.7 and 1.8
A. f(1.7) = 0.6579 and f(1.8) = -0.6624
B. f(1.7) = 0.3421 and f(1.8) = 0.6624
C. f(1.7) = -0.3421 and f(1.8) = -0.6624
D. f(1.7) = 0.3421 and f(1.8) = -0.6624
Answer: D
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