Find the equation the line with the given information below:
m=-3, b=4.5.

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

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Aof 12 , we to a of 4 to on a .of 4 be ?