Suppose that a phone that originally sold for $800 loses of its value each year after it is released. Write an equation for the value of the phone, , years after it is released.

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0