Question: A function f is said to have a removable discontinuity at a if: 1. f is either not defined or not continuous at a. 2.

 A function f is said to have a removable discontinuity at

A function f is said to have a removable discontinuity at a if: 1. f is either not defined or not continuous at a. 2. f(a) could either be defined or redefined so that the new function is continuous at a. Let f(z) = 212+4x-48 Show that f has a removable discontinuity at 4 and determine the value for f(4) that would make f continuous at 4. Need to redefine f (4) =

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