Help Please 2.4 Continuity: Problem 5 (3 points) A function \( f(x) \) is said to have a jump discontinuity at \( x=a \) if: 1. \( \lim _{x \rightarrow a^{-}} f(x) \) exists. 2. \( \lim _{x \rightarrow a^{+}} f(x 2 answers