表达式21: "g" left parenthesis, "x" , right parenthesis less than or equal to "y" less than or equal to "f" left parenthesis, "x" , right parenthesisgx≤y≤fx
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表达式22:
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Support
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表达式24: "y" equals "f" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesis left brace, "x" plus "y" less than 2 , right bracey=f1xx+y<2
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表达式25: "y" left parenthesis, "y" minus "f" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesis , right parenthesis less than 0 left brace, "y" less than negative 1 half , right braceyy−f1x<0y<−12
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表达式26: "y" equals "g" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesis left brace, "y" minus "x" less than 2 , right bracey=g1xy−x<2
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表达式27: "y" left parenthesis, "y" minus "g" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesis , right parenthesis less than 0 left brace, "y" less than negative 1 , right braceyy−g1x<0y<−1
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表达式28: left parenthesis, "y" minus "F" left parenthesis, "x" , right parenthesis , right parenthesis left parenthesis, "y" minus "G" left parenthesis, "x" , right parenthesis , right parenthesis less than or equal to 0y−Fxy−Gx≤0
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表达式29:
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Wave, functions and shapes
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表达式31: "H" left parenthesis, "x" , right parenthesis equals StartFraction, negative sin left parenthesis, "k" Subscript, 2 , Baseline "x" , right parenthesis Over 2 pi "x" , EndFractionHx=−sink2x2πx
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表达式32: "h" left parenthesis, "x" , right parenthesis equals negative StartFraction, "k" Subscript, 2 , Baseline cos left parenthesis, "k" Subscript, 2 , Baseline "x" , right parenthesis "x" minus sin left parenthesis, "k" Subscript, 2 , Baseline "x" , right parenthesis Over 2 pi "x" squared , EndFractionhx=−k2cosk2xx−sink2x2πx2
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表达式33: "h" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesis equals negative StartFraction, left parenthesis, negative "k" squared sin left parenthesis, "k" Subscript, 2 , Baseline "x" , right parenthesis "x" , right parenthesis "x" minus 2 left parenthesis, "k" Subscript, 2 , Baseline cos left parenthesis, "k" Subscript, 2 , Baseline "x" , right parenthesis "x" minus sin left parenthesis, "k" Subscript, 2 , Baseline "x" , right parenthesis , right parenthesis Over 2 pi "x" cubed , EndFractionh1x=−−k22sink2xxx−2k2cosk2xx−sink2x2πx3
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表达式34: "y" left parenthesis, "y" minus "h" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesis , right parenthesis less than or equal to 0yy−h1x≤0
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表达式35: "y" left parenthesis, "y" minus "h" left parenthesis, "x" , right parenthesis , right parenthesis less than or equal to 0yy−hx≤0
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表达式36: "y" left parenthesis, "y" minus "H" left parenthesis, "x" , right parenthesis , right parenthesis less than or equal to 0yy−Hx≤0
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表达式37:
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Decorations - not related to derivative and integral
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表达式39: "y" equals negative hyperbolic cosine left parenthesis, 0.7 "x" , right parenthesis plus 10 left brace, "y" greater than 0 , right bracey=−cosh0.7x+10y>0
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表达式40: 0.2 left parenthesis, cos left parenthesis, "t" , right parenthesis , sin left parenthesis, "t" , right parenthesis , right parenthesis left parenthesis, sin left parenthesis, 5 "t" , right parenthesis plus 1.5 , right parenthesis plus left parenthesis, 0 , 8 , right parenthesis0.2cost,sintsin5t+1.5+0,8
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表达式41: "w" left parenthesis, "x" , "y" , right parenthesis equals "x" squared plus "y" squared minus "e" Superscript, 0.4 "x" plus sin left parenthesis, 5 "y" minus "x" , right parenthesis , Baselinewx,y=x2+y2−e0.4x+sin5y−x
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表达式42: "w" left parenthesis, StartAbsoluteValue, "x" , EndAbsoluteValue minus 5 , "y" minus 6 plus 0.1sin left parenthesis, 2 pi "a" , right parenthesis , right parenthesis equals 0wx−5,y−6+0.1sin2πa=0
