Solve the problem.Use the following table, which shows the average price for a new beverage that is served at a coffee chain. Let the 10 selected regions represent the universal set. Use the list to represent the set in 
form.
{x|x is a region in which the average price of the new beverage is at least $6.00}
A. {A, B}
B. {A, B, C, D}
C. {A, B, C}
D. {D, E, F, G, H, K, L}
Answer: C
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Solve.Suppose that $11,000 is invested at an interest rate of 5.7% per year, compounded continuously. What is the doubling time?
A. 12.2 yr B. 2 yr C. 11.2 yr D. 13.2 yr
Write a system of linear equations that models the situation. Do not solve.A truck is driven for 4 hours, part of the time at 20 miles per hour and the rest of the time at 60 miles per hour. The total distance traveled was 
miles. How long did the truck travel at each speed?
A. x + y = 4 20x + 60y = 200 B. x + y = 200 20x + 60y = 4 C. x - y = 4 20x - 60y = 200 D. x + y = 40 60x + 20y = 200
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.
What will be an ideal response?
Find the derivative of the function.y = sin 2e-4x
A. 
= e-4x cos 2e-4x
B. 
= -8e-4x cos 2e-4x
C. 
= cos 2e-4x
D. 
= 8e-4x cos 2e-4x