Does continuity of f imply continuity of f? Let 94. 1 g(x)=1 if x 0 if x< 0. -1 a. Write a formula for g(x). b. Is g continuous at x = 0? Explain. 0? Explain. c. Is g continuous at x = d. For any function f, iffis continuous at a, does it necessarily follow that f is continuous at a? Explain.