Sketch the level curve z = k for the indicated values of k.z = x + y2, k = -4, -1, 0, 1, 4

A.

B.

C.

D.


Answer: D

Mathematics

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Make the following conversion involving the U.S. and metric systems.42.45 L =  gal

A. 11.0 gal B. 40.3 gal C. 160.5 gal D. 45.0 gal

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Write an equivalent double integral with the order of integration reversed.

A.
B.
C.
D.

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Write the first four terms of the sequence.an = 

A. a1 = , a2 = , a3 = , a4 = 
B. a1 = , a2 = , a3 = , a4 = 
C. a1 = 1, a2 = , a3 = , a4 = 
D. a1 = , a2 = , a3 = , a4 = 

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Replace the polar equation with an equivalent Cartesian equation.r2 = 46r cos ? - 6r sin ? - 9

A. 46x - 6y = 9 B. (x - 23)2  + (y + 3)2 = 529 C. (x + 46)2  + (y - 6)2 = 9 D. (x - 23)2  + (y + 3)2 = 9

Mathematics