2) Find the definite integral (f(x) da for which the following is a left Riemann sum with n subintervals of equal length > (5 + 74)5 . 1 . k=1 A) Saidx B) Sgridx ") S5 (5 + 25) dx D) S (5 + x5) da E) frdx F) 57x'dx G) S; 7x'dx H) S5 7x'dx !) 15 (5 + 25) dx J) , 5r dr