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Question

The function f (x) = [x], where [x] denotes the greatest integer function, is continuous at

A
4
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B
-2
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C
1
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D
1.5
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E
-2.5
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Solution

The correct option is E -2.5
The greatest integer function [x] is continuous everywhere except the integral values of x. Hence, f(x) is continuous at x = 1.5, -2.5.

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