
William W. answered 11/02/20
Experienced Tutor and Retired Engineer
Graphing it you can see that the function is not continuous; it has a jump at x = 1:
If you plug in x = 1 to the "2x + 2" you get f(1) = 4. And the limit as x approaches 1 from the left is -2 (the value of "x2 - x - 2" at x = 1 is -2).