Rewrite as a single logarithm.2 log2(2x + 5) + 6 log2(6x + 1)
A. 12 log2(2x + 5)(6x + 1)
B. log2((2x + 5)2 + (6x + 1)6)
C. log2(2x + 5)2(6x + 1)6
D. log2
Answer: C
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Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.20, 13 , 6, -1, . . .
A. an = 7n - 27; a20 = 113 B. an = 7n - 20; a20 = 120 C. an = -7n + 20; a20 = -120 D. an = -7n + 27; a20 = -113
Solve the equation.
x + 1 = 
x - 4
A. 
B. 
C. 
D. 
Solve the problem.A study of grocery buying habits in a particular region stated that for the years 2001 - 2005, the annual number of new family-run grocery stores can be estimated by the model 
where x is the number of years after 2000. Graph this model by hand and use the graph to predict the number of family-run stores that will start up in 2008.
A. 1130 stores
B. 830 stores
C. 2290 stores
D. 1630 stores
Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 5x - 35
A. f-1(x) = 5x + 35
B. f-1(x) = 
x - 7
C. f-1(x) = 
x + 5
D. f-1(x) = 
x + 7