Use six rectangles to find an estimate of each type for the area under the given graph of f from z = 0 to z = 12. 1. Take the sample points from the left-endpoints. Answer. Lo = 2. Is your estimate L6 an underestimate or overestimate of the true area? Overestimate 3. Take the sample points from the right-endpoints. Answer: Ro = 4. Is your estimate Ro an underestimate or overestimate of the true area? Underestimate 5. Take the sample points from the midpoints. Answer. Me = Note: You can click on the graph to enlarge the image