Contemporary Mathematics for Business and Consumers
7th Edition
ISBN: 9781285189758
Author: Robert Brechner, George Bergeman
Publisher: Cengage Learning
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Chapter 8.I, Problem 16RE
(a)
To determine
To calculate: The cost of the calculators if the selling price is
(b)
To determine
To calculate: The percent markup based on cost if the selling price is
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Students have asked these similar questions
Keity
x२
1. (i)
Identify which of the following subsets of R2 are open and which
are not.
(a)
A = (2,4) x (1, 2),
(b)
B = (2,4) x {1,2},
(c)
C = (2,4) x R.
Provide a sketch and a brief explanation to each of your answers.
[6 Marks]
(ii)
Give an example of a bounded set in R2 which is not open.
[2 Marks]
(iii)
Give an example of an open set in R2 which is not bounded.
[2 Marks
2.
(i)
Which of the following statements are true? Construct coun-
terexamples for those that are false.
(a)
sequence.
Every bounded sequence (x(n)) nEN C RN has a convergent sub-
(b)
(c)
(d)
Every sequence (x(n)) nEN C RN has a convergent subsequence.
Every convergent sequence (x(n)) nEN C RN is bounded.
Every bounded sequence (x(n)) EN CRN converges.
nЄN
(e)
If a sequence (xn)nEN C RN has a convergent subsequence, then
(xn)nEN is convergent.
[10 Marks]
(ii)
Give an example of a sequence (x(n))nEN CR2 which is located on
the parabola x2 = x², contains infinitely many different points and converges
to the limit x = (2,4).
[5 Marks]
2.
(i) What does it mean to say that a sequence (x(n)) nEN CR2
converges to the limit x E R²?
[1 Mark]
(ii) Prove that if a set ECR2 is closed then every convergent
sequence (x(n))nen in E has its limit in E, that is
(x(n)) CE and x() x
x = E.
[5 Marks]
(iii)
which is located on the parabola x2 = = x
x4, contains a subsequence that
Give an example of an unbounded sequence (r(n)) nEN CR2
(2, 16) and such that x(i)
converges to the limit x = (2, 16) and such that x(i)
#
x() for any i j.
[4 Marks
Chapter 8 Solutions
Contemporary Mathematics for Business and Consumers
Ch. 8.I - For the following, use the basic retailing...Ch. 8.I - For the following, use the basic retailing...Ch. 8.I - Prob. 3TIECh. 8.I - Prob. 4TIECh. 8.I - Prob. 5TIECh. 8.I - Prob. 6TIECh. 8.I - Prob. 1RECh. 8.I - For the following items, calculate the missing...Ch. 8.I - Prob. 3RECh. 8.I - For the following items, calculate the missing...
Ch. 8.I - Prob. 5RECh. 8.I - Item Cost Amount of Markup Selling Price Percent...Ch. 8.I - Prob. 7RECh. 8.I - Amount of Percent...Ch. 8.I - Amount of Percent Markup Item Cost Markup Selling...Ch. 8.I - Amount of Percent Markup Item Cost Markup Selling...Ch. 8.I - Solve the following word problems. Round dollars...Ch. 8.I - Solve the following word problems. Round dollars...Ch. 8.I - Solve the following word problems. Round dollars...Ch. 8.I - Prob. 14RECh. 8.I - Solve the following word problems. Round dollars...Ch. 8.I - Prob. 16RECh. 8.I - Solve the following word problems. Round dollars...Ch. 8.I - Solve the following word problems. Round dollars...Ch. 8.I - Solve the following word problems. Round dollars...Ch. 8.I - Solve the following word problems. Round dollars...Ch. 8.I - Prob. 21RECh. 8.I - Solve the following word problems. Round dollars...Ch. 8.I - Solve the following word problems. Round dollars...Ch. 8.I - Prob. 24RECh. 8.I - Solve the following word problems. Round dollars...Ch. 8.II - Deals on Wheels buys bicycles from the distributor...Ch. 8.II - Prob. 8TIECh. 8.II - At Video Outlet, a PlayStation 4 game is marked up...Ch. 8.II - For the following items, calculate the missing...Ch. 8.II - Prob. 2RECh. 8.II - Prob. 3RECh. 8.II - Prob. 4RECh. 8.II - For the following items, calculate the missing...Ch. 8.II - For the following items, calculate the missing...Ch. 8.II - Prob. 7RECh. 8.II - For the following items, calculate the missing...Ch. 8.II - For the following items, calculate the missing...Ch. 8.II - For the following items, calculate the missing...Ch. 8.II - For the following items, calculate the missing...Ch. 8.II - For the following items, calculate the missing...Ch. 8.II - Solve the following word problems. Round dollars...Ch. 8.II - Prob. 14RECh. 8.II - Solve the following word problems. Round dollars...Ch. 8.II - Solve the following word problems. Round dollars...Ch. 8.II - Solve the following word problems. Round dollars...Ch. 8.II - Solve the following word problems. Round dollars...Ch. 8.II - Solve the following word problems. Round dollars...Ch. 8.II - Solve the following word problems. Round dollars...Ch. 8.II - Solve the following word problems. Round dollars...Ch. 8.II - Solve the following word problems. Round dollars...Ch. 8.II - 23. If Costco pays $37.50 for the vacuum cleaner...Ch. 8.III - A tennis racquet that originally sold for $75 was...Ch. 8.III - Craftsman’s Village originally sold paneling for...Ch. 8.III - Prob. 14TIECh. 8.III - In September, Tire Depot in Chicago purchased snow...Ch. 8.III - Prob. 16TIECh. 8.III - Prob. 1RECh. 8.III - Prob. 2RECh. 8.III - Prob. 3RECh. 8.III - For the following items, calculate the missing...Ch. 8.III - Prob. 5RECh. 8.III - Prob. 6RECh. 8.III - Prob. 7RECh. 8.III - Prob. 8RECh. 8.III - For the following items, calculate the missing...Ch. 8.III - Prob. 10RECh. 8.III - Prob. 11RECh. 8.III - Prob. 12RECh. 8.III - Prob. 13RECh. 8.III - Solve the following word problems. Round dollars...Ch. 8.III - Prob. 15RECh. 8.III - Solve the following word problems. Round dollars...Ch. 8.III - Prob. 17RECh. 8.III - Prob. 18RECh. 8.III - Solve the following word problems. Round dollars...Ch. 8.III - Solve the following word problems, rounding...Ch. 8.III - Solve the following word problems, rounding...Ch. 8.III - Solve the following word problems. Round dollars...Ch. 8.III - Solve the following word problems. Round dollars...Ch. 8 - The retailing equation states that the selling...Ch. 8 - 2. In business, expenses are separated into two...Ch. 8 - There are two ways of expressing markup as a...Ch. 8 - Write the formula for calculating the selling...Ch. 8 - Prob. 5CRCh. 8 - The percent markup based on selling price is equal...Ch. 8 - Prob. 7CRCh. 8 - Prob. 8CRCh. 8 - Prob. 9CRCh. 8 - Prob. 10CRCh. 8 - A price reduction from the original selling price...Ch. 8 - Prob. 12CRCh. 8 - Prob. 13CRCh. 8 - 14. Products that have a certain shelf life and...Ch. 8 - Solve the following word problems. Round dollars...Ch. 8 - Prob. 2ATCh. 8 - Prob. 3ATCh. 8 - Solve the following word problems. Round dollars...Ch. 8 - Solve the following word problems. Round dollars...Ch. 8 - Prob. 6ATCh. 8 - Solve the following word problems. Round dollars...Ch. 8 - Solve the following word problems. Round dollars...Ch. 8 - Solve the following word problems. Round dollars...Ch. 8 - Solve the following word problems. Round dollars...Ch. 8 - Prob. 11ATCh. 8 - Prob. 12ATCh. 8 - Solve the following word problems. Round dollars...Ch. 8 - Solve the following word problems. Round dollars...Ch. 8 - Solve the following word problems. Round dollars...
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- 1. (i) which are not. Identify which of the following subsets of R2 are open and (a) A = (1, 3) x (1,2) (b) B = (1,3) x {1,2} (c) C = AUB (ii) Provide a sketch and a brief explanation to each of your answers. [6 Marks] Give an example of a bounded set in R2 which is not open. (iii) [2 Marks] Give an example of an open set in R2 which is not bounded. [2 Marks]arrow_forwardsat Pie Joday) B rove: ABCB. Step 1 Statement D is the midpoint of AC ED FD ZEDAZFDC Reason Given 2 ADDC Select a Reason... A OBB hp B E F D Carrow_forward2. if limit. Recall that a sequence (x(n)) CR2 converges to the limit x = R² lim ||x(n)x|| = 0. 818 - (i) Prove that a convergent sequence (x(n)) has at most one [4 Marks] (ii) Give an example of a bounded sequence (x(n)) CR2 that has no limit and has accumulation points (1, 0) and (0, 1) [3 Marks] (iii) Give an example of a sequence (x(n))neN CR2 which is located on the hyperbola x2 1/x1, contains infinitely many different Total marks 10 points and converges to the limit x = (2, 1/2). [3 Marks]arrow_forward
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