Solve.For the geometric sequence 64, 16, 4, 1, ... , find an.

A. an = n
B. an = n-4
C. an = 4n
D. an = 4n-4

Answer: B

Mathematics

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Find the extreme values of the function subject to the given constraint.  

A. Maximum: none; minimum: 2 at 
B. Maximum: none; minimum:  at 
C. Maximum: none; minimum:  at 
D. Maximum: none; minimum:  at 

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Mathematics

Solve the logarithmic equation.ln x - ln (x - 7) = ln 9

A.
B. 2
C. No solution
D.

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Mathematics

Solve the problem.The graph shows an idealized linear relationship for the average monthly payments (in dollars) to retirees from 2000 through 2004. Use the midpoint formula to estimate the payment for 2002.Average Monthly Payments to Retireesa = $452; b = $524

A. $488 B. $36 C. $524 D. $500

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Mathematics

Determine the vertex of the parabola.y = 3x2 - 6x - 0

A. (-3, 1) B. (1, -3) C. (3, -1) D. (-1, 3)

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Mathematics