Solve the problem.The position of a body moving on a coordinate line is given by 
with s in meters and t in seconds. When, if ever, during the interval 
does the body change direction?
A. t = 6 sec
B. no change in direction
C. t = 12 sec
D. t = 3 sec
Answer: D
Mathematics
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Solve the problem relating to the Fibonacci sequence.F25 = 75,025, F26 = 121,393Find F27.
A. F27 = 46,368 B. F27 = 242,786 C. F27 = 167,761 D. F27 = 196,418
Mathematics
Find the indicated partial derivative.
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Mathematics
Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 10 miles per hour and the other at 11 miles per hour. In how many hours will they be 84 miles apart?
A. 4 hr B. 1 hr C. 6 hr D. 5 hr
Mathematics
Decide whether the pair of lines is parallel, perpendicular, or neither.3x - 2y = 12x + 3y = 20
A. parallel B. perpendicular C. neither
Mathematics