I have a question on my homework that I'm not quite sure how to solve, the textbook as usual has no examples resembling this type of question, and its just been getting frustrating. Can anyone point me in the right direction? I'd really appreciate it! Thanks in advance!

Determine the continuity if the function F(x) defined:

F(x) = { 1 - x^2, x ≤ -1

{ 1 + x, -1 < x ≤ 1

{ x^2 + 2, x > 1