Question

A. x = 2

B. x = 0

C. x = 3

D. x = 1

Answer 1

A x = 2

Explanation:

this is the only case where the redefinition of a single point would eliminate the discontinuity.

for the other points of discontinuity the whole function or graph "jumps". so, the redefinition of a single point would not change anything.

that is then called nonremovable discontinuity.