Question 1068245
c = cost.
r = revenue
x = number of computers.


c = 10,000 + 550 * x.


r = 1199.99 * x.


if you let f(x) = c, then the function becomes:


c = f(x) = 10,000 + 550 * x.


what this says is that c is a function of x, which means that the argument of the function is the variable x which represents the number of computers.


you also have a profit equation (p = profit).


that equation is:


p = r - e


you also have a breakeven equaton.


that happens when the revenue is equal to the expense.


that equation becomes r = e


the answer to your question, however is:


the cost function is c = f(x) = 10,000 + 550 * x.