35 multiple-choice questions in College Board exam style. Each has four choices and a full explanation of why each option is right or wrong.
Try direct substitution first. If you get 0/0, factor or rationalize, then substitute again.
Check one-sided limits when a function is piecewise or has a possible jump: the limit exists only if they agree.
For continuity, verify all three conditions; for the IVT, confirm continuity on the closed interval.
Read the explanations even when you got it right, and remember an infinite limit means the limit does not exist.