Solve the inequality.x2 - 8x ? 0
A. [0, 8]
B. (-?, 0] or [8, ?)
C. (-?, -8] or [0, ?)
D. [-8, 0]
Answer: B
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Solve the problem.At time t ? 0, the velocity of a body moving along the s-axis is 
When is the body moving backward?
A. 0 ? t < 1 B. 1 < t < 10 C. t > 10 D. 0 ? t < 10
Solve the problem.Find the center of mass of the solid enclosed between the cone with equation 
and the plane with equation 
if the density at any point is proportional to the distance from that point to the plane 
.
A. (
, 
, 
) = 
B. (
, 
, 
) = 
C. (
, 
, 
) = 
D. (
, 
, 
) = 
Determine if the function f defined by the arrow diagram has an inverse. If it does, create an arrow diagram that defines the inverse. If not, explain why not.
A. Yes;
B. No; the function is not one-to-one
Provide an appropriate response.Explain the error in the following: x2 + 2x - 15 = (x - 5)(x + 3)
What will be an ideal response?