Use the Intermediate Value Theorem to determine whether the polynomial function has a zero in the given interval.f(x) = 7x4 - 5x2 - 7; [1, 2]
A. f(1) = -5 and f(2) = 85; yes
B. f(1) = -5 and f(2) = -85; no
C. f(1) = 5 and f(2) = -85; yes
D. f(1) = 5 and f(2) = 86; no
Answer: A
Mathematics
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