Expression 5: "y" equals StartFraction, 3 "a" "t" Over 108 pi minus "a" "t" , EndFractiony=3at108π−at
equals=
0.0 4 3 9 6 0 3 8 0 9 6 1 30.0439603809613
5
Expression 6: negative StartFraction, 18 Over "y" plus 3 , EndFraction less than or equal to "x" less than or equal to StartFraction, 18 Over "y" plus 3 , EndFraction left brace, 0 less than or equal to "y" less than StartFraction, 3 "a" "t" Over 108 pi minus "a" "t" , EndFraction , right brace Has graph. To audio trace, press ALT+T.−18y+3≤x≤18y+30≤y<3at108π−at