Find a general term an for the geometric sequence.a1 = - , r = -2

A. an = -  + (n - 1)
B. an = -  ? (-2)n-1
C. an = n-1 + 
D. an = -  - (n - 1)


Answer: B

Mathematics

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Use the rules for exponents to rewrite the expression and then evaluate the new expression.  

A.
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State the domain and range of the function.f(x) = 3-x - 3

A. Domain = (-?, ?); range = (-3, ?) B. Domain = (-?, ?); range = (-?, -3) C. Domain = (-?, ?) ? (-?, ?); range = (-?, -3) D. Domain = = (-?, ?); range = (-?, -3]

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A. 1,663,200
B. 330
C. 7920
D.  

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Use a table of integrals to solve the problem.The rate of growth of a microbe population is given by where x is time in days. What is the change in population in the first 3 days?

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