The cost of producing x textbooks is given by C(x)= 1200+40x.  If textbooks are sold for $60 dollars determine the following: a) the fixed costs b) the revenue function c) the number of textbooks that need to be sold to break even.

2 A cell phone company charges a monthly fee of $30, plus $0.02 per a) Write the monthly cost function, C(t), minute of call time. where t is the amount of time in minutes of call time during a month. b) Find the domain and range of C.

The yearly profit, "P" of your store can be estimated by the function P(n)=15n-45,000 where "n" is the number of items you sell per year, and P is measured in dollars. A) what is your estimated profit if you sell 5,280 items this year? B) Estimate the number of items you must sell to make $150,000 profit? C) Estimate the number of items you must sell to break even ($0 profit)

Find the maximum profit P if C(x) = 10 + 56x and p = 92 - 2x. O A. $142.00 В. $152.00 O C. $166.00 O D. $175.00