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Graph the function f(x) = x" - 1 over the interval [0, 2]. Partition the interval into four subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum E f (Ck ) AXk. given that Ck is the (a) K = 1 left-hand endpoint, (b) right-hand endpoint, (c) midpoint of the kth subinterval.(a) Choose the correct graph below. O A. OB. OC. OD. O X X X X(b) Choose the correct graph below. O A. OB. 4- Ay O C. OD. 47 Ay 21 O X O X X X -2- -2-(c) Choose the correct graph below. O A. Ay OB. O C. 4 Jy OD. X O X O X