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If f(x) = 3 2 x , 4 x 6 3 x 4 ≠ − + and (fof) (x) = g(x), where g : R – ⎭ ⎬ ⎫ ⎩ ⎨ ⎧ 3 2 → R – ⎭ ⎬ ⎫ ⎩ ⎨ ⎧ 3 2 , then (gogog)

1. is equal to
2. 20 19
3. 4
4. 20 19 − (4) –4

Correct answer: 20 19

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