表达式8: "y" equals left parenthesis, StartFraction, "x" Over 2 , EndFraction plus 5 , right parenthesis left parenthesis, "x" plus 1 , right parenthesisy=x2+5x+1
8
表达式9: "y" equals left parenthesis, 2 "x" plus 5 , right parenthesis left parenthesis, "x" plus 1 , right parenthesisy=2x+5x+1
9
表达式10: "y" equals left parenthesis, 2 "x" plus 5 , right parenthesis left parenthesis, 1 half "x" plus 1 , right parenthesisy=2x+512x+1
10
表达式11: "y" equals "x" left parenthesis, 1 half "x" plus 1 , right parenthesisy=x12x+1
11
表达式12: "y" equals left parenthesis, "x" plus 1 , right parenthesis squaredy=x+12
12
表达式13: "y" equals left parenthesis, "x" minus 1 , right parenthesis squaredy=x−12
13
表达式14: "y" equals left parenthesis, 1 minus "x" , right parenthesis squaredy=1−x2
14
表达式15: "y" equals left parenthesis, 2 minus "x" , right parenthesis squaredy=2−x2
15
表达式16: "y" equals left parenthesis, 1 half "x" plus 1 , right parenthesis squaredy=12x+12
