Use one-sided limits to determine whether the following limit exists and its value. If the limit does not exist, enter NA in the final answer area. lim Enter the exact answers for the one-sided limits. To enter co in your answer field, . When you are in text entry mode (when your answer field has just one line), type the word infinity with a lower case i. . When you are in equation editor entry mode (when your answer field has multiple lines with the equation symbol menu bar), choose the symbol oo to enter co. You can switch entry modes by clicking on the button with the upper case Greek letter _ next to the answer field. lim -4 lim +5 = lim C+5 = 0-40-4