Question

1. A online seller can sell 100 units of cellular phones per month at P2,000.00 each. Then they
found out that they can sell 10 more cell phone unites every moth for each P 100.00 decrease
in price.
a. How much is the sales amount if the cell phone units are priced at P 2,000.00 each
b. How much would be their sales if they sale each cell phone at P1,400.00?
Write the equation for the revenue function
d. What price per cell phone units gives them the maximum monthly sales. How much is the
maximum