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16 August, 03:54

If F (x) = 2x and G (x) = log x, find F[G (x) ]

A. 2logx

B. log2x

C. 2xlogx

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Answers (1)
  1. 16 August, 03:58
    0
    put g (x) in for x everywhere in f (x)

    f (x) = 2x

    f (g (x)) = 2g (x)

    f (g (x) = 2 (log (x))

    Choice A
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