> Next question Get a similar question You can retry this question below The graph below shows a rectangular sum of n = 4 rectangles to approximate the area under the line from x = 0 to 4. 14+ 13 12 H 10 9- 8 7 6 5 4 3 2 1 -1 2 3 5 Is this a right-hand or left-hand sum? left-hand sum What is the equation of the line? Y What is the value of the sum? Complete the notation for the sum of the areas of all 4 rectangles.