Classify the statement as true or false.The set of integers ? The set of whole numbers
A. True
B. False
Answer: B
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Solve the problem.A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 13 inches by 22 inches by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.
A. V(x) = x(13 - 2x)(22 - 2x) B. V(x) = (13 - x)(22 - x) C. V(x) = (13 - 2x)(22 - 2x) D. V(x) = x(13 - x)(22 - x)
List the proper fractions in the group.
, 
, 
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, 
A. 
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B. 
C. 
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D. 
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Is the set {0, 1, 2, 3, 4, 5, 6} a group for addition modulo 7? Answer yes or no.
What will be an ideal response?
Solve the problem.At a local grocery store the demand for ground beef is approximately 50 pounds per week when the price per pound is $4, but is only 40 pounds per week when the price rises to $5.50 per pound. Assuming a linear relationship between the demand x and the price per pound p, express the price as a function of demand. Use this model to predict the demand if the price rises to $5.80 per pound.
A. p = 0.15x + 11.5; 38 pounds B. p = 11.5x + -0.15; 40 pounds C. p = - 0.15x + 11.5; 38 pounds D. p = - 0.15x - 11.5; 40 pounds