Multiply. Do not simplify. ? 

A.
B.
C.
D.


Answer: D

Mathematics

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At what points is the given function continuous?f(x, y, z) = ln(x + y + z - 8)

A. All (x, y, z) such that x + y + z ? 8 B. All (x, y, z) such that x + y + z > 8 C. All (x, y, z) D. All (x, y, z) in the first octant

Mathematics

Solve the problem.The number of VHS movie rentals has declined since the year 2000 due to the popularity of DVDs, as the following table shows. The exponential regression equation was found to be  where x represents the number of years since 2000. Use the regression equations to predict the number of VHS movie rentals in 2,007.

A. 0.25 B. 0 C. 2.47 D. 56.28

Mathematics

Write the word statement in symbols.Sixteen is less than or equal to nine plus eight.

A. 16 + 9 ? 8 B. 16 < 9 + 8 C. 16 ? 9 + 8 D. 9 + 8 ? 16

Mathematics

Solve with calculator.The formula  models the duration of a storm, D, in hours, in terms of the diameter of the storm, x, in miles. Use a calculator to determine the duration of a storm with a diameter of 7 miles. Round to the nearest hundredth.

A. 0.19 hours B. 1.3 hours C. 0.34 hours D. 18.52 hours

Mathematics