Use the intermediate value theorem for polynomials to show that the polynomial function has a real zero between the numbers given.f(x) = 7x3 + 9x2 - 7x + 4; -2 and -1
A. f(-2) = -2 and f(-1) = 13
B. f(-2) = 2 and f(-1) = 13
C. f(-2) = 2 and f(-1) = -13
D. f(-2) = -1 and f(-1) = 14
Answer: A
Mathematics
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