Expression 18: "e" Subscript, "y" "e" "b" "r" "o" "w" , Baseline left parenthesis, "x" , "y" , right parenthesis equals "x" to the 4th power plus "y" to the 4th power minus 1 plus left parenthesis, 2 "x" , right parenthesiseyebrowx,y=x4+y4−1+2x
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Expression 19: 0 equals StartFraction, "X" squared Over 1.2 , EndFraction plus "Y" squared minus 1 minus left parenthesis, StartFraction, 1 Over left parenthesis, StartAbsoluteValue, "Y" "a" , EndAbsoluteValue plus .3 , right parenthesis , EndFraction minus 1.5 , right parenthesis signum left parenthesis, "Y" "a" , right parenthesis left brace, "Y" greater than 0 , right brace0=X21.2+Y2−1−1Ya+.3−1.5signYaY>0
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Expression 20: 0 equals left parenthesis, StartFraction, "X" squared Over 1.2 , EndFraction plus "Y" squared minus 1 minus left parenthesis, StartFraction, 1 Over left parenthesis, StartAbsoluteValue, "Y" "a" Subscript, 2 , Baseline , EndAbsoluteValue plus .3 , right parenthesis , EndFraction minus 1.5 , right parenthesis , right parenthesis0=X21.2+Y2−1−1Ya2+.3−1.5
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Expression 21: "f" left parenthesis, "x" , "y" , right parenthesis equals left parenthesis, StartFraction, "X" squared Over 1.2 , EndFraction plus "Y" squared minus 1 minus left parenthesis, StartFraction, 1 Over left parenthesis, StartAbsoluteValue, "Y" "a" Subscript, 2 , Baseline , EndAbsoluteValue plus .3 , right parenthesis , EndFraction minus 1.5 , right parenthesis , right parenthesisfx,y=X21.2+Y2−1−1Ya2+.3−1.5
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Expression 22: "f" Subscript, 2 , Baseline left parenthesis, "x" , "y" , right parenthesis equals left parenthesis, StartFraction, left parenthesis, "X" , right parenthesis squared Over 1.2 , EndFraction plus left parenthesis, "Y" minus StartFraction, "a" Subscript, 4 , Baseline Over 2 , EndFraction , right parenthesis squared minus 1 minus left parenthesis, StartFraction, 1 Over left parenthesis, StartAbsoluteValue, left parenthesis, "Y" minus StartNestedFraction, "a" Subscript, 4 , Baseline NestedOver 2 , EndNestedFraction , right parenthesis , EndAbsoluteValue plus .3 , right parenthesis , EndFraction minus 1.5 , right parenthesis , right parenthesisf2x,y=X21.2+Y−a422−1−1Y−a42+.3−1.5
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Expression 23: "a" Subscript, 4 , Baseline equals left bracket, 1 , 1.0 5...1.7 , right bracket minus 1.8a4=1,1.05...1.7−1.8
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Expression 24: 0 less than "f" Subscript, 2 , Baseline left parenthesis, .9 "x" , .9 "y" , right parenthesis left brace, "f" left parenthesis, "x" , "y" , right parenthesis less than 0 , right brace0<f2.9x,.9yfx,y<0
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Expression 25: "X" equals "x" sine left parenthesis, "b" , right parenthesis minus "y" cosine left parenthesis, "b" , right parenthesisX=xsinb−ycosb
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Expression 26: 0 equals "f" left parenthesis, "x" , "y" , right parenthesis0=fx,y
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Expression 27: 0 equals left parenthesis, StartFraction, "X" squared Over 1.2 , EndFraction plus "Y" squared minus 1 minus left parenthesis, StartFraction, 1 Over left parenthesis, left parenthesis, "Y" minus StartNestedFraction, "a" Subscript, 6 , Baseline NestedOver 3 , EndNestedFraction , right parenthesis "a" Subscript, 2 , Baseline plus .3 , right parenthesis , EndFraction minus 1.5 , right parenthesis , right parenthesis left brace, 1.9 greater than "X" minus "a" Subscript, 6 , Baseline greater than .9 , right brace0=X21.2+Y2−1−1Y−a63a2+.3−1.51.9>X−a6>.9
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Expression 28: "b" equals 1.9b=1.9
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Expression 29: "a" equals 1.1a=1.1
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Expression 30: "a" Subscript, 2 , Baseline equals 1.1a2=1.1
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Expression 31: "a" Subscript, 3 , Baseline equals left bracket, 0 , .0 2...1 , right bracket squareda3=0,.02...12
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Expression 32: "a" Subscript, 6 , Baseline equals left bracket, 0 , .0 1....9 , right bracketa6=0,.01....9
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Expression 33: "Y" equals "x" cosine left parenthesis, "b" , right parenthesis plus "y" sine left parenthesis, "b" , right parenthesisY=xcosb+ysinb
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Expression 34: "w" equals rgb left parenthesis, 225 , 225 , 225 , right parenthesisw=rgb225,225,225
