X instructure.com/courses/86014/assignments/1531874?module_item_id=5842058 Question 18 2 0/1 pt 9 20 - 19 1 Details suppose we want to approximate the integral / b(x) da by using a left-hand sum with 3 rectangles of equal widths Write out this sum, using function notation for each term. Answer: NOW, approximate the integral / b(xx) de by using a right-hand sum with 4 rectangles of equal widths Write out this sum, using function notation for each term. Answer: Submit Question Question 19 0/1 pt ) 20 4 19 0 Details