Expression 8: polygon left parenthesis, left parenthesis, 1.1 , 0 , right parenthesis , left parenthesis, 1.1 , 1 , right parenthesis , left parenthesis, 1.7 , 1 , right parenthesis , left parenthesis, 1.7 , 0 , right parenthesis , right parenthesispolygon1.1,0,1.1,1,1.7,1,1.7,0
8
Expression 9: polygon left parenthesis, left parenthesis, 2.4 , 0 , right parenthesis , left parenthesis, 2.4 , 1 , right parenthesis , left parenthesis, 3 , 1 , right parenthesis , left parenthesis, 3 , 0 , right parenthesis , right parenthesispolygon2.4,0,2.4,1,3,1,3,0
9
Expression 10: "y" equals .9 plus .0 2 "x" left brace, negative 1 less than "x" less than 1 , right bracey=.9+.02x−1<x<1
10
Expression 11: "x" equals 0 left brace, 0 less than "y" less than .9 , right bracex=00<y<.9
11
Expression 12: "y" minus .8 8 equals .1 left parenthesis, "x" plus 1 , right parenthesis left brace, negative 1 less than "x" less than negative .8 , right bracey−.88=.1x+1−1<x<−.8
12
Expression 13: "y" minus .8 8 equals negative .1 left parenthesis, "x" plus 1 , right parenthesis left brace, negative 1 less than "x" less than negative .8 , right bracey−.88=−.1x+1−1<x<−.8
13
Expression 14: "y" minus .9 2 equals negative .1 left parenthesis, "x" minus 1 , right parenthesis left brace, .8 less than "x" less than 1 , right bracey−.92=−.1x−1.8<x<1
14
Expression 15: "y" minus .9 2 equals .1 left parenthesis, "x" minus 1 , right parenthesis left brace, .8 less than "x" less than 1 , right bracey−.92=.1x−1.8<x<1