Expression 3: "y" equals negative 3 StartAbsoluteValue, "x" plus 3 , EndAbsoluteValue plus 2 StartAbsoluteValue, "x" plus 2 , EndAbsoluteValue minus StartAbsoluteValue, "x" plus 1 , EndAbsoluteValue minus StartAbsoluteValue, "x" minus 1 , EndAbsoluteValue plus 2 StartAbsoluteValue, "x" minus 2 , EndAbsoluteValue minus 3 StartAbsoluteValue, "x" minus 3 , EndAbsoluteValue plus 24 Has graph. To audio trace, press ALT+T.y=−3x+3+2x+2−x+1−x−1+2x−2−3x−3+24