表达式7: "j" left parenthesis, "x" , right parenthesis equals "f" left parenthesis, "x" , right parenthesis minus "h" left parenthesis, "x" , right parenthesisjx=fx−hx
7
表达式8: "w" left parenthesis, "x" , right parenthesis less than "y" less than "j" left parenthesis, "x" , right parenthesiswx<y<jx
8
表达式9: "l" left parenthesis, "x" , right parenthesis equals "x" squared minus "f" left parenthesis, "x" , right parenthesislx=x2−fx
9
表达式10: "d" left parenthesis, "x" , right parenthesis equals cosine "x"dx=cosx
10
表达式11: "y" equals 2 "x" minus "f" left parenthesis, "x" , right parenthesisy=2x−fx
11
表达式12: "w" left parenthesis, "x" , right parenthesis equals "h" left parenthesis, "x" , right parenthesis minus "f" left parenthesis, "x" , right parenthesiswx=hx−fx
