For this problem we will use the fact that:
= −
= − ()
A company produces and sells copies of an accounting program for home
computers. The total weekly cost (in dollars) to produce x copies of the program
is = 8 + 500, and the weekly revenue for selling all x copies of the program
is = 35 − 0.1).
a. Find a function, (), for the profit of producing and selling x copies.
b. How many programs must be sold each week for the profit to be $1200?
c. How many programs do they need to sell to maximize their profit? What is
the maximum profit?

Point $(x,y)$ is randomly picked from the rectangular region with vertices at $(0,,,2010),$ and $(0,2010)$. what is the probability that $x > 7y$? express your answer as a common fraction.

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached