b. Does lim f(x) exist? If so, what is it? If not, why not? X-3 O A. Yes, lim f(x) exists and equals 4.25. X-3 B. No, lim f(x) does not exist because f(3) is undefined. X-3 > O C. No, lim f(x) does not exist because lim f(x) # lim f(x). X-+3 X-+3 O D. Yes, lim f(x) exists and equals 2. X-+3