For each function below, write and evaluate a Riemann sum to calculate A(f, −2 ≤ x ≤ 1) using 24 left endpoint rectangles. Homework Help ✎
f(x) = 2x
General form of a left-endpoint Riemann sum:
where a and b are the starting and ending values and n is the number of rectangles.
Refer to the hints in part (a).