Solve the problem.A pulley of radius 9 cm rotates 9 times in 128 sec. Find the angular velocity of the pulley.
A. 
radians/sec
B. 
radians/sec
C. 
radians/sec
D. 
radians/sec
Answer: D
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Use the graph of a known basic function and a combination of transformations to sketch the function.g(x) = 4
+ 3
A. 
B. 
C. 
D. 
Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); focus at (3
, 0); vertex at (3, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Determine the real solutions to the system of nonlinear equations.y2 + 3x2 = 37y2 - x2 = 1
A. (3, 
), (3, -
)
B. (3, 
), (3, -
), (-3, 
), (-3, -
)
C. (4, 
), (4, -
)
D. (4, 
), (4, -
), (-4, 
), (-4, -
)
Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.x + y + z= 7x - y + 2z=72x + 3z=14
A. 
B. 
C. 
D. 