Solve the problem.The formula A = 137e0.044t models the population of a particular city, in thousands, t years after 1998. When will the population of the city reach 186 thousand?
A. 2008
B. 2007
C. 2006
D. 2005
Answer: D
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Find the extreme values of the function and where they occur.y = 
A. Absolute maximum is 8 at x = 2. B. Absolute minimum is 8 at x = 0. C. Absolute maximum is 8 at x = -2. D. Absolute minimum is 0 at x = 1.
Solve the problem.A whispering gallery is a room in the shape of an elliptic reflector. If a source of sound is placed at one focal point of an elliptic reflector, the sound is reflected through the other focal point. If one person speaks at one focal point, then another person at the other can hear sounds as faint as a whisper. If the whispering gallery is based on the ellipse 
how many units from the center of the ellipse would the two people stand?
A. 5 units B. 4 units C. 16 units D. 3 units
Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline in a day when they charge $1.35 per gallon, whereas they sell 3851 gallons on a day that they charge $1.40 per gallon. Find a linear function that expresses gallons sold as a function of price. Use this function to predict the number of gallons sold at a price of $1.22 per gallon.
A. 7343.5 gallons B. 7336.1 gallons C. 7339.4 gallons D. 7348.4 gallons
Solve the problem.The distance d in miles that can be seen on the surface of the ocean is given by 
where h is the height in feet above the surface. How high (to the nearest foot) would a platform have to be to see a distance of 
A. 435 ft B. 103 ft C. 106 ft D. 272 ft