Expression 19: "f" left parenthesis, "x" , right parenthesis equals "x" plus 2sine left parenthesis, "x" , right parenthesis plus StartFraction, "x" squared Over 60 , EndFraction minus StartRoot, StartAbsoluteValue, "x" , EndAbsoluteValue , EndRootfx=x+2sinx+x260−x
19
Expression 20: "y" less than or equal to "f" left parenthesis, "x" , right parenthesisy≤fx
20
Expression 21: "T" Subscript, 0 , Baseline equals "v" to "v" minus left parenthesis, 0 , "g" , right parenthesis "d" Subscript, "t" , Baseline , "s" to "s" plus "v" "d" Subscript, "t" , BaselineT0=v→v−0,gdt,s→s+vdt
21
Expression 22: "T" Subscript, 1 , Baseline equals "v" to left brace, "s" . "y" plus "v" . "y" "d" Subscript, "t" , Baseline less than "f" left parenthesis, "s" . "x" , right parenthesis : "J" left parenthesis, "v" , "f" prime left parenthesis, "s" . "x" , right parenthesis , right parenthesis , "v" , right braceT1=v→s.y+v.ydt<fs.x:Jv,f′s.x,v