1. If f(x) = x^2 + 3x - 7 and g(x) = 3x - 4, then g(f(-3)) =

2. If F(x) = √X^2=1 G(x) = 3x - 2 then a formula for (FoG)(x) is :

3. If F(x) = x/x-1 G(x) = 2x + 1 then a formula for (FoG)(x) is

4. If f(x) = g(x) = √x-1 [f(x)] = 1/X^2+1 then g[f(x)] =