Solve the problem.Janet drove 330 kilometers and the trip took 5 hours. How fast was Janet traveling?
A. 67 km/hr
B. 1650 km/hr
C. 66 km/hr
D. 
km/hr
Answer: C
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Solve the problem.Suppose f(x) = 28.9 + 1.5 log(x + 1) models salinity of ocean water to depths of 
at a certain latitude. x is the depth in meters and f(x) is in grams of salt per kilogram of seawater. Approximate the salinity (to the nearest hundredth) when the depth is 572 meters.
A. 78.21 g/kg B. 81.21 g/kg C. -24.76 g/kg D. 33.04 g/kg
Solve.In a recent International Gymnastics competition, the U.S., China, and Romania were the big winners. If the total number of medals won by each team are three consecutive integers whose sum is 39 and the U.S. won more than China who won more than Romania, how many medals did each team win?
A. U.S.: 12 medals; China: 11 medals; Romania: 10 medals B. U.S.: 15 medals; China: 14 medals; Romania: 13 medals C. U.S.: 41 medals; China: 40 medals; Romania: 39 medals D. U.S.: 14 medals; China: 13 medals; Romania: 12 medals
Graph the function. Then identify the domain and range.f(x) = 2x2 + 20x + 52
A. Domain: (-?, ?), Range: [2, ?)
B. Domain: (-?, ?), Range: [2, ?)
C. Domain: (-?, ?), Range: [2, ?)
D. Domain: (-?, ?), Range: [2, ?)
Provide an appropriate response.Find the critical values and determine the intervals where f(x) is decreasing and the intervals where f(x) is increasing for 
A. increasing on (-1, 0); decreasing on (-?, -1) and (0, 1) B. decreasing on (-1, 0) and (1, ?); increasing on (-?, -1) and (0, 1) C. decreasing on (-1, 0) and (1, ?); increasing on (-?, -1) D. increasing on (-1, 0) and (1, ?); decreasing on (-?, -1) and (0, 1)