Solve the problem.Suppose that during a flu epidemic in a particular city, the number of people, N(x), infected (in thousands) at the end of x weeks is approximated by ?N(x) = 
What is the horizontal asymptote of the graph of this function? What does this suggest about the maximum number of people who will eventually be infected? Explain your reasoning.
What will be an ideal response?
Answers will vary. Possible answer: The horizontal asymptote is y = 84. This suggests that as x gets larger, the number of people with the flu approaches 84,000. The fact that there is a horizontal asymptote suggests that there is an upper bound on the number of people who will eventually get the flu, namely 84,000.
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A. 
B. 
C. 
D. 
Rewrite the expressions with rational exponents as radical expressions, and then solve the equation.(3x + 1)1/2 = 3 + (x - 4)1/2
A. {-5, -8} B. ? C. {-1} D. {5, 8}
Express the area of the region bounded by the given line(s) and/or curve(s) as an iterated double integral.The lines 
, 
, and 
A. 
B. 
C. 
D. 
Solve the problem.A plane takes off from an airport on the bearing S29°W. It continues for 20 minutes then changes to bearing 
and flies for 2 hours 20 minutes on this course then lands at a second airport. If the plane' s speed is 420 mph, how far from the first airport is the second airport? Round your answer correct to the nearest mile.
A. 1110 mi B. 1011 mi C. 1111 mi D. 1010 mi