Expression 1: "y" equals StartAbsoluteValue, "x" left parenthesis, negative 0.5 "x" squared plus 1.5 , right parenthesis left brace, "x" greater than or equal to 0 , right brace , EndAbsoluteValue Has graph. To audio trace, press ALT+T.y=x−0.5x2+1.5x≥0
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Expression 2: StartAbsoluteValue, "y" minus 1 , EndAbsoluteValue less than StartAbsoluteValue, "x" minus 1 , EndAbsoluteValue left brace, "x" greater than or equal to 0 , right brace Has graph.y−1<x−1x≥0