Solve the problem.Ken and Kara are 31 miles apart on a calm lake paddling toward each other. Ken paddles at 3 miles per hour, while Kara paddles at 6 miles per hour. How long will it take them to meet?
A. 3
hr
B. 3
hr
C. 10
hr
D. 22 hr
Answer: A
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Find the absolute maxima and minima of the function on the given domain.
on the closed triangular region with vertices 
and 
A. Absolute maximum: 3 at 
absolute minimum: 0 at 
B. Absolute maximum: 5 at 
absolute minimum: 2 at 
C. Absolute maximum: 2 at 
absolute minimum: 0 at 
D. Absolute maximum: 3 at 
absolute minimum: 2 at 
Solve the problem.A jet plane traveling at a constant speed goes 1200 mi with the wind, then turns around and travels for 1000 mi against the wind. If the speed of the wind is 50 mph and the total flight took 4 hr, find the speed of the plane.
A. 605 mph B. 550 mph C. 435 mph D. 525 mph
Determine algebraically whether the function is even, odd, or neither.f(x) = -4x3
A. even B. odd C. neither
Solve the problem.A town has a population of 1000 people and is increasing by 9% every year. What will the population be at the end of 9 years?
A. 1993 people B. 2367 people C. 1810 people D. 2172 people