Use the figures to calculate the left and right Riemann sums for f on the given interval and the given value of n. f(x)=x+2 on [1,6]; n = 5 The left Riemann sum is f(x)=x+2 8- E 0 2 4 6 X 0 (Simplify your answer.) *** -2 f(x)=x+2 4. 6 X G