Use the points (0,60) and (4,90) from the line on the scatter plot What is the equation of the linear modal? 100
90
80
Test Score
70
60
0
0 1 2 3 4 5
Time Studying (hours)

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