Write the function as the composition of two functions f and g such that y = f[g(x)]).y = 

A. f(x) = , g(x) = x2 - 6
B. f(x) = , g(x) = x2 - 6
C. f(x) = , g(x) = x - 6
D. f(x) = , g(x) = - 


Answer: A

Mathematics

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Use a calculator to find the function value to four decimal places.cos 

A. 0.9964 B. 0.9898 C. -0.0909 D. 0.1423

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Solve the system for x and y using Cramer's rule. Assume a and b are nonzero constants.ax +by = x +y = 

A.
B.
C.
D.

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Solve the problem.A study in a small town showed that the percent of residents who have college degrees can be modeled by the function  where x is the number of years since 2005. Does this model indicate that the percent of residents with a college degree is increasing or decreasing?

A. Decreasing B. Increasing

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Simplify.-

A. -
B. 2
C. 3
D. -3

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