Solve the problem.The number of students in a school in year n is estimated by the model
. About how many students are in the school in each of the first three years?
A. 102, 134, 178
B. 102, 134, 160
C. 116, 148, 192
D. 108, 134, 178
Answer: A
Mathematics
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Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A 5.1-foot fence is 13.081 feet away from a plant in the direction of the sun. It is observed that the shadow of the fence extends exactly to the bottom of the plant. (See drawing) Find ?, the angle of elevation of the sun at that time. Round the measure of the angle to the nearest tenth of a degree.
A. ? = 21.5° B. ? = 21.1° C. ? = 21.3° D. ? = 22.7°
Mathematics
Match the equation to the correct graph.y = (x - 4)2
A. 
B. 
C. 
D. 
Mathematics
Find the power of i.i4
A. -1 B. 1 C. i D. -i
Mathematics