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Basic Mathematics – I




                    Notes
                                   3.  If                is continuous at x = –3 then value of f(x) is


                                       (a)

                                       (b)


                                       (c)


                                       (d)

                                   8.8 Review Questions

                                   1.  Find whether the function f(x) = [x] is continuous at
                                       (a)                        (b)  x = 3


                                       (c)  x = –1                (d)

                                   2.  Evaluate the following limits:

                                       (a)


                                       (b)



                                       (c)


                                       (d)  If           , prove that        through f(0) is not defined.

                                       (e)  Find k so that     may exist where







                                       (f)


                                       (g)


                                   3.  Examine the continuous of the following functions:
                                       (a)  f(x) = |x – 2| at x = 2
                                       (b)  f(x)= |x + 5| at x = –5
                                       (c)  f(x)= |a – x| at x = a

                                   4.  Find whether f(x) is continuous at x = 0 or not, where




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