let f(x) be a function defined as f(x) = {1/2x-1 , x>1,
............................................................ 4x-3 , ....x<or=1}
i) Evaluate limx --> 1 f(x)
ii) determine whether the function f(x) is continuous at x=1. justify your answer
............................................................ 4x-3 , ....x<or=1}
i) Evaluate limx --> 1 f(x)
ii) determine whether the function f(x) is continuous at x=1. justify your answer