10. (18) Use six rectangles to find estimates of each type for the area under

the given graph of ffrom x=-6 to x=6. Three graphs are given in order for

you to draw the approximating rectangles used for each estimate. Find and

label

L6 (sample points are left endpoints)

←

R₁ (sample points are right endpoints)

M6 (sample points are midpoints)

7

फ