Expression 6: "y" equals 25 left brace, 40 less than or equal to "x" , right bracey=2540≤x
6
Expression 7: "y" minus 20 equals tangent left parenthesis, "t" , right parenthesis left parenthesis, "x" minus 40 , right parenthesis left brace, 0 less than or equal to "x" , right brace left brace, "y" less than or equal to 25 , right bracey−20=tantx−400≤xy≤25
7
Expression 8: "t" equals 0.3 8t=0.38
00
StartFraction, pi Over 2 , EndFractionπ2
8
Expression 9: "x" less than 0x<0
9
Expression 10: "y" less than 20 left brace, 40 less than or equal to "x" , right bracey<2040≤x
10
Expression 11: "y" greater than 25 left brace, 40 less than or equal to "x" , right bracey>2540≤x