Expression 15: "m" Subscript, 2 , Baseline equals tangent left parenthesis, StartFraction, negative "B" Over 2 , EndFraction , right parenthesis equals negative 0.5m2=tan−B2
equals=
negative 0.5−0.5
15
Expression 16: "m" Subscript, 1 , Baseline "x" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus 15 , right parenthesis Has graph. To audio trace, press ALT+T.m1x=m2x−15
Expression 20: "y" less than 40 Has graph. To audio trace, press ALT+T.y<40
20
Expression 21: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesis Has graph.M1+Rcost,M2+Rsint
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 360360
21
Expression 22: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesis Has graph.M1+Rcost,M2+Rsint
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 360360
22
Expression 23: polygon left parenthesis, "A" Subscript, 0 , Baseline , "B" Subscript, 0 , Baseline , "C" Subscript, 0 , Baseline , right parenthesis Has graph.polygonA0,B0,C0