Graph the curve whose parametric equations are given.x = 9 sin t, y = 9 cos t; 0 ? t ? 2?

A.

B.

C.

D.


Answer: A

Mathematics

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Minimize subject to the given constraints. ? ? Separate the minimum value and the point with a comma. Enter the point using coordinate notation: (x, y).

What will be an ideal response?

Mathematics

Solve the problem.Suppose the sales of a particular brand of MP3 player satisfy the relationship , where S represents the number of sales in year x, with  corresponding to 2002 . Find the number of sales in 2005.

A. 12,600 B. 6400 C. 4200 D. 4400

Mathematics

Solve by the substitution method.9x + 9y = 365x - 5y = 20

A. {(4, 0)} B. {(x, y)|5x - 5y = 20} C. ? D. {(3, 1)}

Mathematics

Perform the matrix operation. -  =

A.  
B. Not defined
C.  
D.  

Mathematics