The function f (x) is continous on the interval (-3, 4). If we know that f (-1) = 4 and f (3) = 7, what can we say about the outputs of f (x), i. e. what values does f definitely take and/or not take?

Question

Niki

Mathematics

10 August, 05:35

The function f (x) is continous on the interval (-3, 4). If we know that f (-1) = 4 and f (3) = 7, what can we say about the outputs of f (x), i. e. what values does f definitely take and/or not take?

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Answers (1)

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Erica · Answer 1

f definitely takes all the values between 4 and 7.

Step-by-step explanation:

From the data that is given to us, we know that f (x) is continuous on the interval (-3,4). Both values - 1 and 3 are inside this interval, so therefore we can say that the function f (x) is continuous on the interval [-1, 3].

The definition of continuous function on an interval [x, y] tells us that the function takes all the values between f (x) and f (y).

Therefore, we can say that f definitely takes all the values between 4 and 7. (f (-1) and f (3))