A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, an+1 = 
A. 1, 
, 
, 
, 
B. 1, 
, 
, 
, 
C. 1, 
, 
, 
, 
D. 1, 
, 30, 
, 1680
Answer: A
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Simplify the given algebraic expression.x3 + x2 + x + 1
A. 
B. 
C. 
D. 
Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.x = 2y2, x = - 2y, y = 2
A. 
?
B. 
?
C. 
?
D. 
?
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.logw
A. logw13 +logwx - logw2 B. logw13x -logw2 C. logw13 +logwx + logw2 D. logw11x
Solve the problem.If it has been determined that the probability of an earthquake occurring on a certain day in a certain area is 
, what are the odds against an earthquake?
A. 25 : 1 B. 24 : 1 C. 23 : 1 D. 1: 25