Let the inverse function of F (x) = log2x be y = g (x). If G (1a − 1) = 14, then a is equal to () A. -2B. −12C. 12D. 2

The inverse function of ∵ f (x) = log2x is y = g (x), G (1a − 1) = 14, ∵ f (14) = 1a − 1, that is log142 = 1a − 1-2 = 1a − 1, ∵ a = 12, so C

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