Help with 3/4 please! Show all work don't skip any steps

2. (a) (2 marks) Evaluate the Riemann sum for x) 2 49:2 37 taking the sample points to be right endpoints and a = 0,1) = 4 and n = 4. (b) (1 mark) Evaluate 4 f (4952 i 3)da 0 by using a similar scheme as in part (a) but taking the limit as n a 00. 3. (3 marks) If f and g are continuous functions With 1 / 3f(:c)d;r: = 36 4 and 4 / 5g(a:)dx = 721, 1 nd 4 [1 [39(23) 4f(a:) 9 (1r 1pm