Sketch D and g(D) from the description of D and change of variables x = 3u, y = v where D is the rectangle 0 ? u ? 2, 1 ? v ? 4 ?

A.

?

B.
?

C. None of these.
D.
?


Answer: A

Mathematics

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Use the ratio test to determine if the series converges or diverges.

A. Converges B. Diverges

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Write the first six terms of the arithmetic sequence with the first term, a1, and common difference, d.a1 = -400, d = 20

A. 200, 160, 120, 80, 40, 0 B. -400, -380, -360, -340, -320, -300 C. 160, 120, 80, 40, 0, -40 D. -380, -360, -340, -320, -300, -280

Mathematics

Solve.Tuition at a certain college recently increased from $3000 to $4000. Find the ratio of the increase in price to the original price.

A.  
B.
C.  
D.  

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Write the equation of a line that passes through the given point and is perpendicular to the given line. Write the equation in the form Ax + By = C, where A, B, and C are integers and A > 0.(2, 9); y = x - 6

A. x - y = 7 B. x + y = -11 C. x - y = -7 D. x + y = 11

Mathematics