If f is not continuous at c, we say f is discontinuous at c and c is called a point
of discontinuity of f Fig 5 2
Rationalised 2023-24
 MATHEMATICS
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Example 1 Check the continuity of the function f given by f(x) = 2x + 3 at x = 1 Solution First note that the function is defined at the given point x = 1 and its value is 5