Solve the problem.If f(x) =   and g(x) = 4x + 3, find g(f(x)).

A. x
B. - 
C. 4x + 9
D. x + 6


Answer: A

Mathematics

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Sketch the given surface.x = 1 - y2 - z2

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Solve the problem.Audrey Graco plans to conduct book signings in several cities to promote her new novel. She wishes to visit Knoxville, Chattanooga, Chapel Hill, Charlotte, Raleigh, and Richmond. How many different ways can she visit each of these cities and return to her starting point in Wilmington?

A. 30 B. 720 C. 120 D. 29

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Solve the problem.The map shows the states Tennessee, Alabama, Georgia, and Mississippi. Find a route that starts in Mississippi and crosses each common state border exactly one time.

A. MS ? TN? AL ? MS ? GA B. No such route exists. C. MS ? AL ? TN ? GA ? MS ? TN D. MS ? TN ? GA ? MS ? TN ? AL

Mathematics

Multiply, then simplify the product. Assume that all variables represent positive real numbers.(5 + )(5 - )

A. 25x - 2  - y
B. 25x - y
C. 25x2 - y2
D. 25x + y

Mathematics