Choose the equation that matches the graph.
A. f(x) = x2 + 2x - 8
B. f(x) = x2 - 2x - 8
C. f(x) = x2 + 2x + 8
D. f(x) = -x2 + 2x - 8
Answer: A
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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (x2 + y2)i + (x - y)j; C is the rectangle with vertices at (0, 0), (2, 0), (2, 3), and 
A. 24 B. -12 C. 12 D. 0
Solve the problem. The following table shows the number of adults in a certain city who approve of the mayor's performance in various years. It also gives the total number of adults in the city in the same years. 
Let p be the percentage of adults in the city who approve of the mayor's performance in the year that is t years since 1980. A reasonable model of the situation is: p = 
Use this model to estimate when 33% of adults in the city will approve of the mayor's performance.
A. 2010 B. 2011 C. 2013 D. 2015
Solve the problem.A store takes inventory of a popular clock at the end of each business day. The table below shows the number of clocks in stock during a 5-day period in which no new clocks were received from the distributor. What are the domain and range of the function described by the table? 
A. Domain = {1, 2, 3, 4, 5}; range = {7, 11, 12, 16, 23} B. Domain = [1, 5]; range = [7, 23] C. Domain = [7, 23]; range = [1, 5] D. Domain = {7, 11, 12, 16, 23}; range = {1, 2, 3, 4, 5}
Perform the indicated operation. Simplify if possible.
- 
A. 
B. 
C. 
D. 