question archive Find all values where the function is discontinuous

Subject:MathPrice: Bought3

Find all values where the function is discontinuous. Use the definition of continuity to explain why it is discontinuous for all values where it is discontinuous. ????(????) = { − ???? + 4 ???? < −2 ???? 2 + 3 − 2 < ???? ≤ 3 2???? + 1 ???? > 3