Let f be a function of x. Which of the following statements, if true, would guarantee that there is a number c in the interval [-5, 4] such that f (c) = 12? (A) B C D f is increasing on the interval [-5, 4], where f(-5) = 0 and ƒ (4) = 20. f is increasing on the interval [-5, 4], where f(-5) = 15 and f (4) = 30. f is continuous on the interval [-5, 4], where f(-5) = 0 and f (4) = 20. f is continuous on the interval [-5, 4], where f(-5) = 15 and ƒ (4) = 30.

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