Use the horizontal-line test to determine whether the function is one to one.

A. Yes
B. No

Answer: A

Mathematics

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Find an exponential model for the following data set. Round your answer to two decimal places.  t 0 2.13 4.26 6.39 y 61.09 37.98 23.61 14.68?

A. ?
B. ?
C. ?
D. ?

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Mathematics

Are the sets equal?A = {9, 10, 11, 12, 13}B = {8, 9, 10, 11, 12}

A. Yes B. No

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Mathematics

Look for a pattern and then predict the general term, or nth term, an, of the sequence.3, 12, 21, 30, 39, . . .

A. an = 3(9)n-1 B. an = 6n - 9 C. an = 9n - 2 D. an = 3(3n - 2)

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Mathematics

Simplify. Leave answer in exponential form with positive exponents only. Assume that all variables represent nonzero quantities.-2z-3

A.
B. - 
C. - 
D. 2z3

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Mathematics