Expression 1: "y" equals 2 plus left bracket, 2 , negative 2 , right bracket StartRoot, ceil left parenthesis, StartFraction, sin left parenthesis, "x" , right parenthesis Over 2 , EndFraction , right parenthesis minus sin left parenthesis, "x" , right parenthesis , EndRooty=2+2,−2ceilsinx2−sinx