Theorem 1 If f is a continuous function on the closed interval a b and differ entiable on the open interval a b then there

Question

Theorem 1 If f is a continuous function on the closed interval a b and differ entiable on the open interval a b then there exists a point c in the interval a b such that f c f b f a b a Try to use it to solve the next problem Problem 2 A car traverses a tunel which is 1km long in 50 seconds If the speed limit inside the tunel is 60 km h can we guarantee that the car went over the speed limit

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