If f (x) = logax, (a > 0 and a ≠ 1) satisfies f (9) = 2, then f (3)=______ ．

From F (9) = 2, f (9) = loga9 = 2, that is, A2 = 9, and a > 0, so a = 3. Therefore, the answer is: 1

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