Find an equation for the surface consisting of all points that are equidistant from the point (0,-2,0) and the plane y=2.
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Mathematics
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Express the relationship between a small change in x and the corresponding change in y in the form 
.y = 4 cot 
A. dy = -4x2 csc 
dx
B. dy = 4x2 csc2 
dx
C. dy = -4x2 csc2 
dx
D. dy = -4x3 csc2 
dx
Mathematics
Find the first and third partial sums, s1 and s3, for the sequencean = 2n - 3
A. -1, 3 B. -1, 5 C. -1, -1 D. -1, 11
Mathematics
Which equation's graph has the steeper slope?y = 5x + 3 or y = 3x + 3
A. y = 3x + 3 B. y = 5x + 3
Mathematics
Simplify the expression. (Assume that r, s, and t are positive.)
?
?
A. 
B. 
C. 
D. ?
E. ?
Mathematics