REVIEW PROBLEMS &
COMPLETE SOLUTIONS
(LATEST 2025) 100%
CORRECT
STUDY ACE SMART
,Final Exam Rev iew Problems Resume
Score: 100%
87 of 87 pts
Score List Review Questions
Question 1 1/1 pt
Suppose a company's revenue function (in dollars) is
w here is the number of items sold.
Find the marginal revenue when 31 items are sold.
15 (Round your answer to the nearest whole number.)
Question 2 2/2 pts
A company makes portable heaters for outdoor dining. The company has total cost function
and the total revenue function , where represents the number
of
heaters.
(a) What is the company's profit function,
29x − 1240 ? (Simplify your expression.)
(b) What is the company's profit if they sell 70 heaters?
$ 790
(Round to the nearest whole number if needed.)
Question 3 1/1 pt
, Dynamo Electric, Inc. makes and sells surge protectors. Their total cost function is
and their revenue function is .
How many surge protectors does Dynamo need to sell to break even?
181 surge protectors
Question 5 1/1 pt
Perform the indicated operation and simplify.
2
36x + 36x + 9
Question 6 5/5 pts