Perform the matrix operation.Given A = 
and B = 
, find A - B.
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.Consider the region R bounded by the graph of f(x) = 
on the interval [0, 3]. Find the volume of the solid formed when R is revolved about the y-axis.
A. ?
B. 2?
C. ?
D. 2?
Factor the polynomial as the difference of two squares or state that it is irreducible.64 - x2
A. irreducible B. (8 + x)2 C. (8 - x)2 D. (8 + x)(8 - x)
Solve the problem.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 23 minutes requires 4.6 gallons of water. Find the amount of water used in a shower lasting 4 minutes.
A. 26.45 gal B. 0.8 gal C. 1.15 gal D. 20 gal
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = - 
A. 
B. 
C. 
D. 