Question 53805
(month time,amount from sales)
Points: (-1,4000) and (0,5000)
M = (y2 - y1)/(x2 - x1) = (4000 - 5000)/(-1 - 0) = -1000/-1 = 1000
y - y1 = m(x - x1)
y - 5000 = 1000(x - 0)
y - 5000 = 1000x
y = 1000x + 5000
In 4 months (x = 4), the amount will be 9000.00
{{{graph(300,300,-5,5,-1000,9000,1000x+5000)}}}