If y = $$2^{x+1}$$, what is the value of y - x ?
1.$$2^{2x+2}$$=64
2.y = $$2^{2x-1}$$
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AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
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BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
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CBOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
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DEACH statement ALONE is sufficient.
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EStatements (1) and (2)TOGETHER are NOT sufficient
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正确答案: D