Solve the problem.How many different three-number "combinations" are possible on a combination lock having 24 numbers on its dial? Assume that no numbers repeat. (Combination locks are really permutation locks.)
A. 12,144
B. 1,530,100
C. 510,040
D. 255,020
Answer: A
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Solve the problem.The city council gave a questionnaire to its citizens, asking them to rank their priorities for next year's budget. People were asked to rank the following four choices: (P)olice, (R)oads, (S)chools, and (T)rash removal. The results are summarized in the table below.
Which choice is the winner of a sequential runoff?
A. T B. S C. R D. P
Find the indicated sum.
A. 42 B. 80 C. 105 D. 54
Determine whether the equation defines y as a function of x.xy + 6y = 1
A. y is a function of x B. y is not a function of x
For the given functions f(x) and g(x), find (f ? g)(x) or 
(x) as indicated.f(x) = x + 4, g(x) = x + 7Find (f ? g)(x).
A. x2 + 28 B. x2 + 11x + 28 C. x2 + 8x + 28 D. x2 + 11x + 11