Question

Which statement is true about the graphed function?

F(x) < 0 over the intervals (-∞, -0.7) and (0.76, 2.5).
F(x) > 0 over the intervals (-∞, -0.7) and (0.76, 2.5).
F(x) < 0 over the intervals (-0.7, 0.76) and (2.5, ∞).
F(x) > 0 over the intervals (-0.7, 0.76) and (0.76, ∞).

Answer 1

Answer: A. F(x) < 0 over the intervals (-∞, -0.7) and (0.76, 2.5).

Answer 2

Choice A) True. The f(x) portion is below the x axis on the interval (-infinity, -0.7) and on the interval (0.76, 2.5)

Choice B) False. This is a complete contradiction of choice A.

Choice C) False. The portion of f(x) on the interval (-0.7, 0.76) is above the x axis.

Choice D) False. The portion of f(x) is above the x axis on the interval (-0.7,0.76); however, f(x) is below the x axis on the interval (0.76, 2.5). See choice A.

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In summary, the final answer is choice A