State the domain of the rational function.f(x) = 
A. (-?, -63) ? (-63, ?)
B. (-?, ?)
C. (-?, 9) ? (9, ?)
D. (-?, -9) ? (-9, ?)
Answer: D
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Evaluate the expression.
3
A. 
B. 3
C. 
D. 
Find the indicated measure of central tendency.A class of 44 students took a 10-point quiz. The frequency of scores is given in the table. Find the mean score.
A. 7.5 B. 7.3 C. 7.6 D. 7.8
Write the negation of the quantified statement. (The negation should begin with "all," "some," or "no.")Some pianists are not humans.
A. All humans are pianists. B. All pianists are not humans. C. All pianists are humans. D. No pianists are humans.
Find the finance charge for the following revolving charge account. Assume that interest is calculated on the average daily balance of the account.Average Daily BalanceMonthly Interest Rate$1,159.24?1
%
A. $17.39 B. $23.18 C. $202.87 D. $20.29