A line passes through the points (0,3), (4,1) and (6,0). Which function best represents the relationship between the two points?

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

Solve this problem! extra ! 3025/5.5 = a/90.75

Which polygon is she in the process of constructing ?