Expression 4: left parenthesis, "x" plus 2 , right parenthesis squared plus left parenthesis, "y" minus 38 , right parenthesis squared equals 4x+22+y−382=4
4
Expression 5: "y" equals StartRoot, negative 2 minus "x" , EndRoot plus 40 left brace, negative 4 less than or equal to "x" less than negative 2 , right bracey=−2−x+40−4≤x<−2
5
Expression 6: "y" equals 3 StartAbsoluteValue, "x" , EndAbsoluteValue left brace, negative 5 less than or equal to "x" less than or equal to 5 , right bracey=3x−5≤x≤5