Expression 19: triangle left parenthesis, left parenthesis, 0 , 0 , 0 , right parenthesis , left parenthesis, 3 , 0 , 8 , right parenthesis , left parenthesis, 0 , 0 , 8 , right parenthesis , right parenthesis Has graph.triangle0,0,0,3,0,8,0,0,8
19
Expression 20: "K" equals left bracket, 0 , .5 , ... , 3 , right bracket equals a list of numbers. 7 itemsK=0,.5,...,3
equals=
00
0.50.5
11
1.51.5
22
2.52.5
33
20
Expression 21: triangle left parenthesis, left parenthesis, "K" , 0 , 0 , right parenthesis , left parenthesis, "K" , 0 , 8 , right parenthesis , left parenthesis, "K" , 4 , 0 , right parenthesis , right parenthesistriangleK,0,0,K,0,8,K,4,0
21
Expression 22: triangle left parenthesis, left parenthesis, 0 , "k" , 0 , right parenthesis , left parenthesis, 3 , "k" , 0 , right parenthesis , left parenthesis, 3 , "k" , "g" left parenthesis, 3 , "k" , right parenthesis , right parenthesis , right parenthesis Has graph.triangle0,k,0,3,k,0,3,k,g3,k
22
Expression 23: triangle left parenthesis, left parenthesis, 0 , "k" , 0 , right parenthesis , left parenthesis, 3 , "k" , "g" left parenthesis, 3 , "k" , right parenthesis , right parenthesis , left parenthesis, 0 , "k" , "g" left parenthesis, 0 , "k" , right parenthesis , right parenthesis , right parenthesis Has graph.triangle0,k,0,3,k,g3,k,0,k,g0,k