Give the domain and range of the relation.x = y2
A. domain: (-?, ?); range: (-?, ?)
B. domain: (-?, ?); range: [0, ?)
C. domain: [0, ?); range: [0, ?)
D. domain: [0, ?); range: (-?, ?)
Answer: D
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and 
Show that a and b are orthogonal. Assume 
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Provide an appropriate response.Show that A = au + bv is orthogonal to B = bu - av, where u and v are orthogonal unit vectors.
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It is the rotation of a space station that provides Earth-level gravity. The number N of rotations per minute needed to provide Earth-level gravity depends on the radius r, in meters, of the spinning space station. The relationship is
?
.
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A. $11,748.13 B. $10,418.15 C. $11,083.14 D. $12,413.12