Evaluate the expression.-12k0 when k ? 0
A. 12
B. -12
C. 1
D. 0
Answer: B
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Find an equation of variation for the given situation.y varies jointly as x and w and inversely as z, and y = 
when x = 2, w = 5, and z = 20.
A. y = 
B. y = 4xwz
C. y = 
D. y = 
Solve the problem.The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring and 2 man-hours to make one SST ring. How many of each type of ring should be made daily to maximize the company's profit, if the profit on a VIP ring is $50 and on an SST ring is $10?
A. 24 VIP and 0 SST B. 20 VIP and 4 SST C. 24 VIP and 4 SST D. 20 VIP and 0 SST
Graph the parabola. Identify the vertex, axis, domain and range.x = (y - 2)2 - 6
A. Vertex: (1, -9); Axis: x = 2;
Domain: (-?, ?); Range: (-?, -6]
B. Vertex: (-1, -7); Axis: x = 2;
Domain: (-?, ?); Range: [-6, ?)
C. Vertex: (-6, 2); Axis : y = 2;
Domain: [-6, ?); Range: (-?, ?)
D. Vertex: (-6, 2); Axis : y = 2;
Domain: (-?, -6]; Range: (-?, ?)
Evaluate the given function.f(x) = log6x, f(1)
A. 0 B. 6 C. -6 D. 1