(3) S AndI (4) ST. (r+2)(2 +22+5jr (5) The following two properties are known as (blank): . [ f(x) + g(x)de = [ f(x)dr + fg(z)de . Jef(aldr = eff(x)dar 6) Illustrate (Le. visually demonstrate) the above two properties via some graphs. (7) Choose finite bounds of integration which make the integral in problem (3) improper. Ex- plain your choice