Use the given transformation to evaluate the integral.   Rwhere R is the parallelogram bounded by the lines    

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A. -4
B. 4
C. -8
D. 8

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Answer: A

Mathematics

Find the area.

A. 968 in.2 B. 550 in.2  C. 1100 in.2  D. 2200 in.2 

Determine what m and b represent.The value, in dollars, of a particular computer is given by  where x is the number of years the computer has been in existence.

A. 7271 signifies the amount of depreciation per year, and -428.17 signifies the initial cost. B. -428.17 signifies the amount of depreciation per year, and 7271 signifies the initial cost. C. -428.17 signifies the hourly cost of repairs, and 7271 signifies the cost of software. D. -428.17 signifies the number of computers owned, and 7271 signifies the cost of electricity.

Use a proportion to solve the problem.The ratio of the height to the width of a packaging label is 5 to 19. If the height of the label is 2.5 inches, what is its width?

A. 9.5 in. B. 7.5 in. C. 0.7 in. D. 21.5 in.

Solve. Provide answers in interval notation.(x + 9)(x - 4)(x + 2) > 0

A. (-9, -2) ? (4, ?) B. (-9, -4) ? (2, ?) C. (-?, -9) ? (2, 4) D. (-?, 4) ? (2, 9)