List the first n terms of the geometric sequence satisfying the given conditions.a1 = 
, r = -9, n = 4
A. 
, - 
, 
, - 
B. 
, - 
, - 
, - 
C. 
, - 
, - 
, - 
D. 
, - 
, 
, - 
Answer: D
Mathematics
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Find the average of the set of numbers.6
and 18
A. 11
B. 22
C. 12
D. 25
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Solve the problem.The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches: 
What rainfall produces the maximum number of mosquitoes?
A. 4 in. B. 16 in. C. 2 in. D. 0 in.
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Give the equations of any asymptotes of the type specified for the graph of the rational function.f(x) = 
; vertical
A. y = 2, y = -5 B. x = 2, x = -5 C. x = -2, x = 5 D. y = 6
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Find the specified area.The area under the graph of f over the interval [-2, 2]f(x) = 
A. 
B. 
C. 12
D. 
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