Solve the problem.Describe all solutions of Ax = b, where A =  and b = .Describe the general solution in parametric vector form.

A.

 =  + x3    

B.
 =  + x3    

C.
 =  + x3
D.
 =  + x3    


Answer: B

Mathematics

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Find the right- or left-hand limit or state that it does not exist.

A.
B.
C. 0
D. Does not exist

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Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = - , x ? 0

A. f-1(x) = -10x
B. f-1(x) = - 
C. f-1(x) = 
D. f-1(x) = - 

Mathematics

Perform the indicated operation.24 ? 15

A. 360 B. 336 C. 3600 D. 260

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Factor completely.16x2 - 56x - 32

A. (16x - 8)(x + 4) B. 8(2x - 1)(x + 4) C. 8(2x + 1)(x - 4) D. (2x - 1)(8x + 32)

Mathematics