Define f to be a continuous function on the closed interval [0, 5] with f(0) = 7, f(5) = 14. Which of the following statements is guaranteed by the Intermediate Value Theorem?
f attains a minimum in the interval (0, 5)
f(x) = 15 has at least solution in the interval (0, 5)
f(x) = 10 has at least solution in the interval (0, 5)
f'(x) = 0 for some x in the interval (0, 5)