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25 Jul 2024, 00:28
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
71% (02:11) correct
28% (02:47) wrong based on 7 sessions
History
Date
Time
Result
Not Attempted Yet
The operation @ is defined for all integers x and y as x@y = xy-y. If x and y are positive integers, which of the following CANNOT be zero?
A. x @ y
B. y @ x
C. (x-1) @ y
D. (x+1)@ y
E. x@(y-1)
A. x @ y
B. y @ x
C. (x-1) @ y
D. (x+1)@ y
E. x@(y-1)
19 Oct 2024, 11:27
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