a If the symbol x denotes the greates integer function defined in this example evaluate the following If an answer does not exist enter DNE i lim 12 ii lim x 2112 iii lim ain x b If n is an integer evaluate the following i lim ii lim 2 3 2 n c For what values of a does lim exist x The limit exists only for a 0 The limit exists for all non integer values of a The limit exists for all positive values of a