APFIVE Intermediate Value Theorem Application
Let $$f$$ be a function that is continuous on the closed interval $$[1, 3]$$ with $$f(1) = 10$$ and $$f(3) = 18$$. Which of the following statements must be true?
A
$$f(x) = 17$$ has at least one solution in the interval $$[1, 3]$$.
B
$$10 \le f(2) \le 18$$
C
$$f$$ is increasing on the interval $$[1, 3]$$.
D
$$f'(x) = 8$$ has at least one solution in the interval $$(1, 3)$$.
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