Describe the indicated set in words and find the set.P - (E ? C)' , given the following information:The table gives features of different dishwashers
In the universal set U = {a, b, c, ..., i}, let the following characteristics be defined:P = price is at or below $455C = does an excellent job of cleaning chinaG = does an excellent job of cleaning glasswareE = has a good energy efficiency ratingF = has low water usage
A. Dishwashers that cost $455 or less and either have a good energy efficiency rating or do an excellent job of cleaning china; {h}
B. Dishwashers that cost $455 or less and have both a low energy efficiency rating and do an excellent job of cleaning china; {f}
C. Dishwashers that cost $455 or less and either have a good energy efficiency rating or do an excellent job of cleaning china; {b, f, i}
D. Dishwashers that cost $455 or less and have either a low energy efficiency rating or do an excellent job of cleaning china; {a, b, c, d, e, f, h, i}
Answer: C
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