Swayam Cambridge Inernational School
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Consider a monopolist who sells batteries. Each battery works for h hours 
and then needs to be replaced. Therefore, if a consumer buys q batteries, he 
gets H = qh hours of operation. Assume that the demand for batteries can be 
derived from the preferences of a representative consumer whose indirect utility 
function is v = u(H) pq, where p is the price of a battery. Suppose that u 
is strictly increasing and strictly concave. The cost of producing batteries is 
C(q) = qc(h), where c is stric...
Exercise 1 Industries with cartels 
Brieáy describe and analyze a case of your choice concerning a price- or 
quantity-Öxing cartel (please not OPEC). The following questions may be useful 
to bear in mind: What are the relevant characteristics of the industry? What 
was the scope of the cartel? How was the cartel enforced? What were the e§ects 
of the cartels? How did the competition authority or court argue and what was 
the decision, if any? 
Exercise 2 Collusion and pricing 
Two (advertis...
2. _______ has been enhanced with extensions that support OLAP type 
processing and data generation. 
[1] SQL 
[2] DBMS 
[3] DBLC 
[4] SDLC. 
3. Data stored in the company database must be protected from access by 
unauthorized users. Data measures include all of the following EXCEPT…. 
[1] User authentication 
[2] Physical security 
[3] Data encryption 
[4] Top down authentication 
4. The following is NOT a factor that influences the choice of database design 
strategies. 
[1] The company’s...
USPS Exam 421 SSA Academy 
Domestic Mail Manual (DMM) {{Ans- Sets forth the policies and regulations governing domestic mail. 
International Mail Manual (IMM) {{Ans- Sets forth the policies and regulations governing international 
mail 
Domestic Mail {{Ans- Mail sent within the US, APO/FPO, the UN, and all US territories and possesions. 
Label 127 {{Ans- Attached to all anonymous mail being returned to ensure surface transport only. 
PolicyNet {{Ans- Where all manuals and directives are found. 
...
A 60-year-old female emphysema patient experiences a rapid and pounding heart, 
dizziness, and fatigue with exertion. Which of the following respiratory assessment 
findings indicate the respiratory system is compensating for the increased oxygen 
demand? 
Selected 
Answer: 
b. 
Increased rate and depth of breathing 
Correct 
Answer: 
b. 
Increased rate and depth of breathing 
 Question 2 
1 out of 1 points 
A nurse is teaching the staff about platelets. Which information should the nurse 
in...
AS A Level Physics 9702-21 Paper 2 May-June 2021 . Data 
speed of light in free space c = 3.00 × 108ms−1 
permeability of free space μ0 = 4π × 10−7Hm−1 
permittivity of free space ε0 = 8.85 × 10−12Fm−1 
( 1 
4πε0 
= 8.99 × 109mF−1) 
elementary charge e = 1.60 × 10−19C 
the Planck constant h = 6.63 × 10−34 J s 
unified atomic mass unit 1u = 1.66 × 10−27 kg 
rest mass of electron me = 9.11 × 10−31 kg 
rest mass of proton mp =	1.67 × 10−27 kg 
molar gas constant ...
AS & A Level 
CHEMISTRY 9701/31 
Paper 3 (Advanced Practical Skills 1) May/June 2021 
MARK SCHEME