Please do good answering questions below, and explain WHY on answers 17, 18, 19

\fQuestion 16 (1 point) For which of the following does lim f(x) exist ? H II. Y III. -x Graph of f Graph of f Graph of f Ol and ll only ONone O Ill only O I and Ill only Oil only OI onlyQuestion 17 (2 points) Consider the following piecewise function. Is it continuous or discontinuous? Explain why. X12 if x = 0 and x = 10\fQuestion 19 (2 points) Consider the following graph of f(x). Is the graph continuous or discontinuous? Explain why. 57 2+ 1 - -1 A/