Expression 13: "X" Subscript, 1 , Baseline equals StartFraction, negative "a" Over 2 , EndFraction plus StartRoot, left parenthesis, StartFraction, negative "a" Over 2 , EndFraction , right parenthesis squared minus "b" , EndRoot equals 1.7 5 0 0 0 0 0 2 1 0 7X1=−a2+−a22−b
equals=
1.7 5 0 0 0 0 0 2 1 0 71.75000002107
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Expression 14: "X" Subscript, 2 , Baseline equals StartFraction, negative "a" Over 2 , EndFraction minus StartRoot, left parenthesis, StartFraction, negative "a" Over 2 , EndFraction , right parenthesis squared minus "b" , EndRoot equals 1.7 4 9 9 9 9 9 7 8 9 3X2=−a2−−a22−b
equals=
1.7 4 9 9 9 9 9 7 8 9 31.74999997893
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Expression 15: 4 "x" plus 4 "y" equals 17 Has graph. To audio trace, press ALT+T.4x+4y=17
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Expression 16: "f" left parenthesis, "x" , right parenthesis equals negative "x" plus 17 quartersfx=−x+174
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Expression 17: "g" left parenthesis, "x" , right parenthesis equals 1 "x" minus "x" Subscript, 1 , Baseline plus "f" left parenthesis, "x" Subscript, 1 , Baseline , right parenthesisgx=1x−x1+fx1
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Expression 18: "y" equals StartRoot, 0 , EndRoot equals 0 Has graph. To audio trace, press ALT+T.y=0
equals=
00
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Expression 19: "g" left parenthesis, "M" Subscript, 1 , Baseline , right parenthesis tilde StartRoot, 0 , EndRoot Has regression. To access statistics, press Tab.gM1~0
Expression 21: left parenthesis, "M" Subscript, 1 , Baseline plus "M" Subscript, "T" , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "M" Subscript, "T" , Baseline sin "t" , right parenthesis Has graph.M1+MTcost,M2+MTsint
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 180180
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Expression 22: left parenthesis, "M" Subscript, 1 , Baseline plus "M" Subscript, "T" , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "M" Subscript, "T" , Baseline sin "t" , right parenthesis Has graph.M1+MTcost,M2+MTsint
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 180180
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Expression 23: polygon left parenthesis, "M" , "P" , right parenthesis Has graph.polygonM,P
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Expression 24: polygon left parenthesis, "M" , "T" , right parenthesis Has graph.polygonM,T
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Points
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Start black, "T" equals left parenthesis, "x" Subscript, 1 , Baseline ; "f" left parenthesis, "x" Subscript, 1 , Baseline , right parenthesis , right parenthesis End blackT=x1;fx1