1 19. Let g(1:) := (.1: _ 1P. Then 13:19\") = 00- Give an explicit formula for a function f such that ligzl=0 and $f{r)y(r)=-00- (I: 20. ' Suppose that y = . Compute \\/ 33: + 4 iv d9: .'r='l directly from the limit denition. Do NOT use the product/ quotient rule. 1' . ft?) - f(-1) \"3-1344. Evaluate 31:11)] 3H) (Hint: Let f(:r) =