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Continuity of Functions
Continuity of Functions
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Page (1 of 3) Exercises:   1    2    3  
Exercise 1

The function f(x) = 4x + 1 is a line, therefore it's continuous everywhere. In particular, it's continuous at x = 5 with f(5) = 21. How must the x-values be restricted if we want to have 20.5< f(x) < 21.5?


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