Using the table, set up proportions to solve.The table shows a scale for the cost of sending printed matter to different countries using the services of an undisclosed courier.
Megan has to ship two packets. The first weighs 2.5 lb and goes to Germany, and the second weighs 2.5 lb and goes to Canada. How much does she spend?
A. $1.64
B. $1.40
C. $1.23
D. $1.80
Answer: A
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Express the product as a sum containing only sines or cosines.2 cos(7?) cos ?
A. cos(14?) + cos(2?) B. cos(10?) + sin(4?) C. cos(8?) + cos(6?) D. cos(8?) + sin(6?)
Solve the problem.Find an exponential function to model the data below and use it to predict what income the company should expect in its seventh year of operation. Round to the nearest tenth when necessary. 
A. 1.83 million B. 0.2 million C. 12.8 million D. 128 million
Find the range of the given function.f(x) = -3x2 - 12x - 17
A. [2, ?) B. (-?, -2] C. (-?, -5] D. [5, ?)
Use the geometric interpretation of slope (rise divided by run) to find the slope of the line. Then, by identifying the y-intercept from the graph, write the slope-intercept form of the equation of the line.
A. y = x + 4 B. y = x - 4 C. y = - x + 4 D. y = - x - 4