Use the graph of the function f to determine the following limits, if they exist. (If an answer does not exist, enter DNE.). linn/(z) = lim f (z)= x + 1 -3-2-1 2 3 18. 0-0 points TanApCatBr9 25002. Use the graph of the function fto find the limits at the indicated value of a, if the limit exists. (If an answer does not exist, enter DNE.) im f (r) lim f (z)- 40 lim / (z) = y-fu 19. -/1 points TanApCalcBr9 25 034 Find the indicated one-sided limit, if it exists. (If an answer does not exist, enter DNE.)