1.99
See Answer

Which of the following functions f has a removable discontinuity at a? If the discontinuity is removable, find a function t that agrees with f for x ≠ a and is continuous at a.

a. f(x) = x4 – 1/ x-1, a = 1

b. f(x) = x3 –x2 – 2x/ x- 2, a = 2

c. f(x) = [[six x]], a = π