Draw the graph of the equation.(y + 1)2 = -8(x + 2)
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem. A reasonable quadratic model for the population of a certain city is found to be 
where P(t) is the population (in thousands) of the city in the year that is t years since 2012. A reasonable quadratic model for the consumption of bottled water in the city is 
, where B(t) is the total amount of bottled water (in thousands of gallons) consumed by the residents of the city in the year that is t years since 2012. Let M(t) be the annual mean consumption of bottled water per person in the year that is t years since 2012. If M(t) is obtained by
finding the ratio 
, what are the units of M?
A. people per gallon
B. gallons per thousand people
C. gallons per person
D. thousands of gallons per person
Solve. A lawyer stacks three case files on top of each other. The thicknesses of the files are 
, 
, and 
inches. What is the total height of the stack of files?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Factor the trinomial, if possible.9x2 - 39x - 30
A. (3x + 2)(3x - 15) B. 3(3x - 2)(x + 5) C. (9x + 6)(x - 5) D. 3(3x + 2)(x - 5)
Find the consumer surplus and producer surplus.
?
Demand 
?
Supply 
?
A. Consumer surplus: $3,750Producer surplus: $12,800 B. Consumer surplus: $3,750 Producer surplus: $12,500 C. Consumer surplus: $3,750 Producer surplus: $12,600 D. Consumer surplus: $3,750 Producer surplus: $12,900 E. Consumer surplus: $3,750 Producer surplus: $12,700