Expression 4: "x" minus 0.5 equals negative 0.5sine left parenthesis, left parenthesis, StartFraction, 2 pi Over 6 , EndFraction left parenthesis, "y" minus 8.5 , right parenthesis , right parenthesis , right parenthesis left brace, 8.5 less than or equal to "y" less than or equal to 10 , right bracex−0.5=−0.5sin2π6y−8.58.5≤y≤10
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Expression 5: "y" equals 8.5 left brace, 0 less than or equal to "x" less than or equal to 1 , right bracey=8.50≤x≤1
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Expression 6: "y" equals 5.5 left brace, 2 less than or equal to "x" less than or equal to 3 , right bracey=5.52≤x≤3
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Expression 7: "x" minus 2.5 equals 0.5sine left parenthesis, left parenthesis, StartFraction, 2 pi Over 6 , EndFraction left parenthesis, "y" minus 5.5 , right parenthesis , right parenthesis , right parenthesis left brace, 5.5 less than or equal to "y" less than or equal to 10 , right bracex−2.5=0.5sin2π6y−5.55.5≤y≤10
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Expression 8: "x" minus 2.5 equals negative 0.5sine left parenthesis, left parenthesis, StartFraction, 2 pi Over 6 , EndFraction left parenthesis, "y" minus 5.5 , right parenthesis , right parenthesis , right parenthesis left brace, 5.5 less than or equal to "y" less than or equal to 10 , right bracex−2.5=−0.5sin2π6y−5.55.5≤y≤10