Evaluate the expressions by referencing the graph below. Write DNE if the limit does not exist. {{CMD_258}} {{ENV_259}} {{CMD_260}} {{CMD_261}} {{CMD_262}} {{MATH_263}} {{CMD_264}} {{MATH_265}} {{CMD_266}} {{MATH_267}} {{CMD_268}} {{MATH_269}} {{CMD_270}} {{MATH_271}} {{CMD_272}} {{MATH_273}} {{CMD_274}} {{MATH_275}} {{CMD_276}} {{MATH_277}} {{CMD_278}} {{MATH_279}} {{CMD_280}} {{MATH_281}} {{CMD_282}} {{MATH_283}} {{CMD_284}} {{MATH_285}}