Expression 43: "f" left parenthesis, "x" , right parenthesis equals left brace, "x" less than or equal to "p" Subscript, "t" "x" , Baseline : "f" Subscript, "t" "o" "e" , Baseline left parenthesis, "x" , right parenthesis , "p" Subscript, "t" "x" , Baseline less than "x" less than "p" Subscript, "s" "x" , Baseline : "f" Subscript, "l" "i" "n" , Baseline left parenthesis, "x" , right parenthesis , "x" greater than or equal to "p" Subscript, "s" "x" , Baseline : "f" Subscript, "s" "h" , Baseline left parenthesis, "x" , right parenthesis , right bracefx=x≤ptx:ftoex,ptx<x<psx:flinx,x≥psx:fshx
43
Expression 44: "f" Subscript, "i" "n" "v" , Baseline left parenthesis, "x" , right parenthesis equals left brace, "x" less than or equal to "p" Subscript, "t" "y" , Baseline : "f" Subscript, "i" "t" "o" "e" , Baseline left parenthesis, "x" , right parenthesis , "p" Subscript, "t" "y" , Baseline less than "x" less than "p" Subscript, "s" "y" , Baseline : "f" Subscript, "i" "l" "i" "n" , Baseline left parenthesis, "x" , right parenthesis , "x" greater than or equal to "p" Subscript, "s" "y" , Baseline : "f" Subscript, "i" "s" "h" , Baseline left parenthesis, "x" , right parenthesis , right bracefinvx=x≤pty:fitoex,pty<x<psy:filinx,x≥psy:fishx