Suppose f(x) is a function with the following properties: • ƒ"(1) = ƒ"(2) = ƒ”(4) = 0, f"(x) > 0 for all x on (-∞, 1) U (4, ∞), and f"(x) < 0 for all x on (1,2) U (2,4). ● ● Which of the following is always TRUE? Of has exactly two inflection points which occur at x = 1 and x = 2. Of does not have any inflection points. f has exactly two inflection points which occur at x = : 1 and x = : 4. Of has exactly three inflection points which occur at x = 1, x = 2, and x = 4. Of has exactly two inflection points which occur at x = = 2 and x = : 4.

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