Multiply and simplify.-6z ? 
A. 0
B. 36z
C. 1
D. -1
Answer: C
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Solve the problem.Find the center of mass of the upper half of a solid ball of radius 4 centered at the origin if the density at any point is proportional to the distance from that point to the 
A. (
, 
, 
) = 
B. (
, 
, 
) = 
C. (
, 
, 
) = 
D. (
, 
, 
) = 
Find the phase shift of the function.y = 4 cos 
A. 
units to the left
B. 
units to the right
C. 
units to the left
D. 
units to the right
Solve the problem.This chart shows the number of meals served in a restaurant during each of the past 4 months. Assume that the information in the chart defines a function with the name g. State the range of g.
A. {(3500, January), (3557, February), (3541, March), (3562, April)} B. {(January, 3500), (February, 3557), (March, 3541), (April, 3562)} C. {3500, 3557, 3541, 3562} D. {January, February, March, April}
Solve the equation in the real number system.4x3 - 23x2 + 26x + 8 = 0
A. 
B. 
C. 
D. 