Question

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

a f(x) ≥ 0 over the interval [5, ∞).
b f(x) ≤ 0 over the interval [–1, ∞).
c f(x) > 0 over the interval (–∞, 1).
d f(x) < 0 over the interval (–∞. –1).

will fan

Answer 1

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