Match the description with the appropriate rational function.The x-axis is its horizontal asymptote.

A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 


Answer: A

Mathematics

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Solve the problem.Suppose the consumption of electricity grows at 2.6% per year, compounded continuously. Find the number of years before the use of electricity has tripled. Round the answer to the nearest hundredth.

A. 4.23 yr B. 42.25 yr C. 115.38 yr D. 0.42 yr

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Find the limit.(x3 + 5x2 - 7x + 1)

A. 29 B. 0 C. 15 D. does not exist

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Solve.If y varies directly as x, and y = 3 when x = 2, find y when x = 8.

A.
B. 12
C.
D.

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Multiply.(x + )(x - )

A. x2 + 16x - 7
B. x2 - 16x - 7
C. x2 - 
D. x2 - 16

Mathematics