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If ) x ( f = ⎩ ⎨ ⎧ ⎭ ⎬ ⎫ ⎩ ⎨ ⎧ ≥ + < + = > ≤ + 0 x , b ) 4 – x ( 0 x , 1 x ) x ( g and 0 x 0 x , | 4 – x | , a x 2 are continuous on R, then (gof)

1. + (fog) ( –2) is equal to
2. –10
3. 10
4. 8 (4) –8

Correct answer: 8 (4) –8

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