【GMAT考满分数据洞察DS题库】For all integers n, the function f is defined by $_真题_答案

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For all integers n, the function f is defined by

${f}({n})={a}^{n}$ , where a is a constant. What is the value of

$f (1)$ ?

(1)

$f (2) = 100$

(2)

$f (3) = -1,000$

AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
CBOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
DEACH statement ALONE is sufficient.
EStatements (1) and (2) TOGETHER are NOT sufficient.

正确答案: B

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