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Thomas Calculus 13th [Solutions]

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Section 14.1 Functions of Several Variables 977<br />

30. (a) Domain: all points ( x, y ) inside the circle<br />

(b) Range: z ln 9<br />

(c) Circles centered at the origin with radii r 9<br />

(d) Boundary: the circle x<br />

(e) open<br />

(f ) bounded<br />

2 2<br />

y<br />

9<br />

x<br />

2 2<br />

y<br />

9<br />

31. f 32. e 33. a<br />

34. c 35. d 36. b<br />

37. (a) (b)<br />

38. (a) (b)<br />

39. (a) (b)<br />

Copyright<br />

2014 Pearson Education, Inc.

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