What is the value of ?
(1)
(2)
Is the value of determined?
Answer and explanation
Correct answer: B. Statement (1) alone is enough, but statement (2) alone is not enough
- Step 1: (1) gives exactly. Step 2. (2) gives or , so it does not fix one value. Answer: Statement (1) alone is enough. Why not the others: Statement (2) leaves two possible values, and (1) already settles the question, so the combination is not needed.
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