Find the average velocity of an object which follows the position function s(t) over the given interval.s(t) = 7t3 + 8t2 - 1, [-8, -4]
A. 
B. - 
C. - 688
D. 688
Answer: D
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Solve.
= -1
A. 1
B. -1
C. -
, 
D. -1, 1
Solve the problem.A bird flies from its nest 6 km in the direction 23° north of east, where it stops to rest on a tree. It then flies 9 km in the direction 30° south of west and lands atop a telephone pole. With an xy-coordinate system where the origin is the bird's nest, the x-axis points east, and the y-axis points north, at what point is the tree located?
A. (5.523, 2.344) B. (-3.197, -5.077) C. (2.344, 5.523) D. (0.9205, 0.3907)
Find the probability of the event.If a single coin is tossed four times, then what is the probability of getting exactly four tails?
A. 
B. 0
C. 
D. 
Find the probability of the result using the normal curve approximation to the binomial distribution.The probability that a radish seed will germinate is 0.7. The gardener plants 140 seeds and she harvests 100 radishes.
A. .0750 B. .0669 C. .0688 D. .5711