Question 5 (1 point) By choosing u; as the right endpoint of each subinterval [1,3], [3,5], [5,7], [7,9], the 3 approximate f (x - 6) da using Riemann sum is O a) 340 b) 308 O c) 124 O d) o O e) None of the aboveQuestion 6 (1 point) S sin (1 7) da = ( a) - cos (- 7) + C O b) - cos O c) sin Od) x + C