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Z = |X=2|^2 and Y = |W-2|^2. If Z=Y and both X and W are [#permalink]
20 Feb 2004, 04:23
Z = |X=2|^2 and Y = |W-2|^2. If Z=Y and both X and W are decreased by 1, which of the following must be true?
a. the new value of Y is Z greater than its original value.
b. the new value of Y is greater than the new value of Z.
c. The new value of Y is smaller than its original value.
d. The new values of Y and Z are equal.
e. None of the above.