The functions f(x) and g(x) are defined as f(x) = 3x + 1 and g(x) = 4x + 2.

fog(x) = f(g(x))

= f(4x +2 )

= 3(4x +2) + 1

= 12x + 6 + 1

= 12x + 7

fog(0) = 12*0 + 7 = 7

**The value of fog(0) for the given functions is 7**

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