Write a formula for the nth term of the sequence.3, 12, 21, 30, 39, ...
A. 9n - 6
B. 6n - 9
C. 9n - 2
D. 6n - 2
Answer: A
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Use the graph to answer the question. 
What were the total sales for the first 6 months of 2006?
A. $366,000 B. $240,000 C. $46,000 D. $290,000
Restrict the domain of the function f so that the function is one-to-one and has an inverse function. Then find the inverse function f-1. State the domains and ranges of f and f-1. ? f(x) = |x + 5| ?
A. f?-1(x) = x - 5?The domain of f and the range of f-1 are all real numbers x such that x ? -5.The domain of f-1 and the range of f are all real numbers x such that x ? 0. B. f?-1(x) = x + 5?The domain of f and the range of f-1 are all real numbers x such that x ? 0.The domain of f-1 and the range of f are all real numbers x such that x ? -5. C. f?-1(x) = x - 5?The domain of f and the range of f-1 are all real numbers x such that x ? 0.The domain of f-1 and the range of f are all real numbers x such that x ? 5. D. f?-1(x) = x + 5?The domain of f and the range of f-1 are all real numbers x such that x ? 5.The domain of f-1 and the range of f are all real numbers x such that x ? 0. E. f?-1(x) = x - 5?The domain of f and the range of f-1 are all real numbers x such that x ? 5.The domain of f-1 and the range of f are all real numbers x such that x ? 0.
Using the same set of axes, graph the pair of equations.y = 
and y = 
A. 
B. 
C. 
D. 
Find the exact value of the logarithmic expression without using a calculator.
?
?
A. 3
B. 
C. 7
D. ?21
E. None of these