Question

Which is a valid prediction about the continuous function f(x)?

f(x) ≤ 0 over the interval (–∞, ∞).
f(x) > 0 over the interval (–1, ∞).
f(x) ≥ 0 over the interval [–1, 1].
f(x) < 0 over the interval (0, 2)

Answer 1

f(x) ≥ 0 over the interval [-1, 1] and f(x) ≥ 0 over the interval [5, ∞)

Explanation:

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