Find the vertex of the parabola.y = x2 - 4
A. (-4, 0)
B. (0, -4)
C. (4, 0)
D. (0, 4)
Answer: B
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Refer to the weighted voting system 
and the Banzhaf definition of power. (The five players will be called P1, P2, P3, P4, and P5.)The number of coalitions is
A. 120. B. 15. C. 31. D. 63. E. none of these
Sketch the graph and show all local extrema and inflection points.y = 4x2 + 24x
A. Minimum: (3,-36)
No inflection points
B. Minimum: (6,-24)
No inflection points
C.
Minimum: (-6,-24)
No inflection points
D.
Minimum: (-3,-36)
No inflection points
Solve the problem.A vector F represents a force that has magnitude 4 pounds, and 35° is the angle for its direction. Find the work done by the force in moving an object from the origin to the point (7, 0). Distance is measured in feet. Round the answer to one decimal place, if necessary.
A. 16.1 ft-lb B. 22.9 ft-lb C. 24.2 ft-lb D. 45.9 ft-lb
Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.p(x) = 2x2 + 4x + 
A. 
Vertex (1, 3)
no x-int;
y-int = (0, 5)
B. 
Vertex (-1, 3)
no x-int;
y-int = (0, 5)
C. 
Vertex (-1, 
)
no x-int;
y-int = (0, 
)
D. 
Vertex (1, 
)
no x-int;
y-int = (0, 
)