Question 88250
Please solve and then tell if a function or not

f(x) =3x-2
g(x)=x^2-3x
FIND:   (fog)(x) = f[x^2-3x] = 3(x^2-3x)-2 = 3x^2-9x-2 
Since, for every x value there is only one y value, fog(x) is a function.
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Cheers,
Stan H.