By definition, an "and" statement is true only when the statements before and after the "and" connective are both true. Use this definition to determine whether the given statement is true or false.27 ? {1, 2, 3, ....} and {1} ? {1, 2, 3, 4}
A. True
B. False
Answer: B
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Solve the problem.Find the optimum number of batches (to the nearest whole number) of an item that should be produced annually (in order to minimize cost) if 270,000 units are to be made, it costs $2 to store a unit for one year, and it costs $520 to set up the factory to produce each batch. Assume that units of this item will be sold off throughout the year, so the cost equation will use the average cost.
A. 18 batches B. 16 batches C. 25 batches D. 23 batches
Perform the indicated operations and simplify.
+ 
- 
A. 
B. 
C. 
D. 
Evaluate the expression.(-27)2/3
A. not a real number B. -3 C. -9 D. 9
Find the domain and range of the relation.{(11, 11), (-1, -9.1), (1, 10)}
A. Domain = {-1, 1, 11}; range = {-9.1, 10} B. Domain = {-1, 10, 11}; range = {-9.1, 1, 11} C. Domain = {-1, 1, 11}; range = {-9.1, 10, 11} D. Domain = {-9.1, 10, 11}; range = {-1, 1, 11}