Close to {{MATH_2}}, {{MATH_3}}. {{CMD_4}} {{CMD_5}} Let {{MATH_6}}. Does the limit exist? If it does, give its value. Otherwise write DNE. {{MATH_7}} {{CMD_8}} Let {{MATH_9}}. Does the limit exist? If it does, give its value. Otherwise write DNE. {{MATH_10}} {{CMD_11}} Let {{MATH_12}}. Does the limit exist? If it does, give its value. Otherwise write DNE. {{MATH_13}} {{CMD_14}} {{CMD_15}} {{CMD_16}} {{CMD_17}} {{CMD_18}}