Question

Removable and Nonremovable Discontinuities Describe the difference between a discontinuity that is removable and a discontinuity that is nonremovable. Then give an example of a function that satisfies each description.

(a) A function with a nonremovable discontinuity at x=4

(b) A function with a removable discontinuity at x=4

(c) A function that has both of the characteristics described in parts (a) and (b)