Write the expression as a logarithm of a single expression. Assume that variables represent positive numbers.(logax - logay) + 2logaz
A. loga
B. loga
C. loga
D. logaxz2y
Answer: A
Mathematics
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Solve the problem.Junior high classes of 25 students each met in the cafeteria to take achievement tests. If exactly 8 students sat at each table and 25 tables were used, how many classes took the tests?
A. 11 classes B. 8 classes C. 10 classes D. 21 classes
Mathematics
Find f-1(x) for the following one-to-one function f.f(x) = x3 - 8
A. f-1(x) = x3 + 8
B. f-1(x) = 
+ 8
C. f-1(x) = 
D. f-1(x) = 
Mathematics
Consider these figures:
Which figure above, if any, is topologically equivalent to the given figure? Identify the topologically equivalent figure by letter.An apple
A. A B. B C. C D. None of these
Mathematics
Find the average rate of change for the function between the given values.f(x) = -3x2 - x; from 5 to 6
A. 
B. - 
C. -34
D. -2
Mathematics