Expressão 11: 0 less than or equal to "y" less than or equal to "N" left parenthesis, "x" , right parenthesis left brace, "b" less than or equal to "x" less than or equal to "a" , right brace0≤y≤Nxb≤x≤a
11
Shade Right of a
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12
Expressão 13: "x" equals left brace, 0 less than "y" less than "N" left parenthesis, "a" , right parenthesis : "a" , right bracex=0<y<Na:a
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Expressão 14: 0 less than or equal to "y" less than or equal to "N" left parenthesis, "x" , right parenthesis left brace, "a" less than or equal to "x" less than or equal to 5 , right brace0≤y≤Nxa≤x≤5
14
Shade left of b
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15
Expressão 16: "x" equals left brace, 0 less than "y" less than "N" left parenthesis, "b" , right parenthesis : "b" , right bracex=0<y<Nb:b
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Expressão 17: 0 less than or equal to "y" less than or equal to "N" left parenthesis, "x" , right parenthesis left brace, negative 5 less than or equal to "x" less than or equal to "b" , right brace0≤y≤Nx−5≤x≤b
17
Fixed x values
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18
Expressão 25: left parenthesis, 1.8 5 , .0 3 , right parenthesis , left parenthesis, .8 , 0.2 , right parenthesis1.85,.03,.8,0.2