Let f (x) be an odd function defined on R, and if x > 0, f (x) = 3-2 ^ x, then f (- 2)=（ Let f (x) be an odd function defined on R, and if x > 0, f (x) = 3-2 ^ x, then f (- 2)=（

F (2) = 2 ^ 2-3 = 1 because it is an odd function, then f (- x) = - f (x), so f (- 2) = - f (2) = - 1

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