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The IVT guarantees that x^3 - x - 1 = 0 has a root in the interval
A(-1, 0)
B(0, 1)
C(1, 2)
D(2, 3)
Answer & Solution
Correct answer: C. (1, 2)
f(1) = -1 is negative and f(2) = 5 is positive, so a root lies in (1, 2).
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