Solve the system of equations by Gauss-Jordan elimination.
A. {(-3, 5, 3)}
B. {(5, -3, 3)}
C. {(-3, 3, 5)}
D. ?
Answer: C
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Solve the problem.The hyperbola 
- 
= 1 is shifted down 4 units and right 5 units. Find an equation for the new hyperbola and find the new vertices.
A. 
- 
= 1; vertices: (5 ± 
, -4 )
B. 
- 
= 1; vertices: (5, -4 ± 
)
C. 
- 
= 1; vertices: (5, -4 ± 
)
D. 
- 
= 1; vertices: (5 ± 
, -4 )
Solve the problem.A team of engineers is testing an experimental high-voltage fuel cell with a potential application as an emergency back-up power supply in cell phone transmission towers. Unfortunately, the voltage of the prototype cell drops with time according to the equation 
where V is in volts and t is the time of operation in hours. The cell provides useful power as long as the voltage remains above
What will be an ideal response?
Find the production matrix for the input-output and demand matrices.A = 
, D =
A. 
B. 
C. 
D. 
Express as a single logarithm.loga3 + loga(x3 - 2) + loga2
A. loga( x3 + 3) B. loga( 6x3 - 12) C. loga( x3 - 12) D. loga(3x3 - 6)