Predict the general, or nth term, an, of the sequence.3, 6, 9, 12, 15, . . .
A. n + 3
B. 3n
C. 4n
D. n3
Answer: B
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For the given pair of variables determine whether a is a function of b, b is a function of a, both, or neither.a is the savings account number of a customer at a bank, and b is the number of years the account has been active.
A. b is a function of a B. Both C. Neither D. a is a function of b
Reduce the rational expression to lowest terms.
A. 
B. 
C. 
D. 
Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = -x3 + 5
A. Yes B. No
Use the information in the table to solve the problem. Write your answer as a fraction in lowest terms.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater.
Find the ratio of pollutant E to pollutant A.
A. 
B. 
C. 
D. 