Find the Riemann sums of f(x) = 9x - 1 from 0 to 2. (Express numbers in exact form. Use symbolic notation and fractions where needed. Simplify your answer so that i does not appear in your solution.) n f(u) Ax = i=1 Evaluate lim 818 i=1 f(u)Ax, to obtain the definite integral of f(x) from 0 to 2. (Express numbers in exact form. Use symbolic notation and fractions where needed.) fox-1) d (9x - 1) dx = 16