Perform the indicated matrix operations.Let A = 
and B = 
. Find 4A + B.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Joe and Bill want to divide a cake using the divider-chooser method. They draw straws, and it is determined that Bill will be the divider and Joe the chooser. Assuming that each plays the game correctly, which of the following statements [A), B), C) or D)] cannot be true?
A. Joe believes that his share is worth 50% of the cake; Bill believes that his share is worth 50% of the cake. B. Bill believes that Joe's share is worth 50% of the cake; Joe believes that his share is worth 60% of the cake. C. Joe believes that his share is worth 60% of the cake; Bill believes that his share is worth 50% of the cake. D. Bill believes that his share is worth 60% of the cake; Joe believes that his share is worth 50% of the cake. E. none of these
Find the value of the permutation.P(10, 10)
A. 3,628,800 B. 1 C. 2 D. 1,814,400
Write the fraction in lowest terms.
A. 4 + 
B. 4 + 
C. 4 + 2
D. 8 + 
Solve the problem.The formula y = 
models the relationships needed to focus an image where y is the distance between the film and projector lens, x is the distance between the move screen and the projector lens, and f is the focal length. a) Sketch the graph of this rational function for f = 5 centimeters. 
b) Bob and Carol are showing home movies. Use the graph to describe the desired distance between the film and the projector lens as Carol moves the projector further from the screen.
What will be an ideal response?