Solve the problem.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is 
where s is in feet. How long will it take the ball to fall 149 feet?
A. 2.0 sec
B. 4.8 sec
C. 2.2 sec
D. 3.1 sec
Answer: C
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Middletown is designing a new high-speed rail system to connect Downtown, the Airport, and the Mall. The elevated tracks for the rail system will run along the existing roads, that run on a grid as shown below. In addition, a central switching station must be located at one of the intersections.
Where is the optimal location for the switching station?
A. Two blocks north of the Airport. B. One block north and one block east of the Airport. C. Two blocks east of Downtown. D. One block north of the Mall. E. none of these
Factor the sum or difference of two cubes.729x3 + 1
A. (9x + 1)(81x2 - 9x - 1) B. (9x + 1)(81x2 + 9x + 1) C. (9x + 1)(81x2 - 9x + 1) D. (9x + 1)(81x2 + 1)
Graph the solution set of the inequality and write it in interval notation.y < -10
A. [-?, -10)
B. (-?, -10]
C. [-?, -10]
D. (-?, -10)
Solve the problem.It has been determined that the number of fish f(t) that can be caught in t minutes in a certain pond using a certain bait is f(t) = 0.24t + 1, for t > 10. Find the approximate number of fish that can be caught if you fish for 36 minutes.
A. About 20 fish B. About 38 fish C. About 9 fish D. About 40 fish