Expression 9: "y" equals .5 "x" minus 2.8 1 6 5 left brace, negative .3 5 6 less than or equal to "x" less than or equal to .4 8 1 , right bracey=.5x−2.8165−.356≤x≤.481
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Expression 10: "y" equals .5 "x" minus .1 4 2 left brace, negative .8 5 5 6 9 less than or equal to "x" less than or equal to .2 8 4 , right bracey=.5x−.142−.85569≤x≤.284
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Expression 11: "y" equals negative .5 "x" minus .1 4 2 left brace, negative .2 8 4 less than or equal to "x" less than or equal to .8 5 5 6 9 , right bracey=−.5x−.142−.284≤x≤.85569
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Expression 12: "x" squared plus left parenthesis, "y" minus .5 , right parenthesis squared less than or equal to 1 left brace, 1.2 5 greater than "y" greater than 0 , right bracex2+y−.52≤11.25>y>0
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Expression 13: "x" squared plus left parenthesis, "y" minus 3.5 , right parenthesis squared less than or equal to 1 left brace, "y" greater than 2.7 5 , right bracex2+y−3.52≤1y>2.75
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Expression 14: "x" squared plus left parenthesis, "y" minus 2 , right parenthesis squared less than or equal to 1 left brace, 2.7 5 greater than "y" greater than 1.2 5 , right bracex2+y−22≤12.75>y>1.25
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Expression 15: "x" squared plus left parenthesis, "y" minus 4.6 5 , right parenthesis squared less than or equal to .1x2+y−4.652≤.1
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Expression 16: "y" equals log Subscript, 1.5 , Baseline left parenthesis, "x" plus 1 , right parenthesis plus 4.9 6 6 left brace, .5 greater than "x" greater than 0 , right bracey=log1.5x+1+4.966.5>x>0