Which of the following sets of ordered pairs represents a function? a. {(-9,9), (-9,12), (-9,0), (12,-9)} b. {(0,-9), (14,-9), (0,9), (-9,14)} c. {(9,-9), (12,-9), (0,-9), (-9,12)} d. {(9,14), (9,4), (0,0), (11,16)}

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

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?

Graph the linear function using the slooe and y intercept