letter only. Show Solution if necessary. 8. Which of the following is true about the graph below? a. lim f(x) does not exist and f (0) = 3. b. lim f(x) = 0 and f (0) = 3. C. lim f(x) does not exist and f(0) = 0. d. lim /(x) does not exist and f(0) is undefined. (-5x +7 ifx . find lim f(x). ifx