Question

Si fog (x) = 4x2-12x+9 y g (x) = 2x-3
Hallar f (x) = ?

Answer 1

$(f\circ g)(x)=(2x-3)^2\\ \\ (f\circ g)(x)=g^2(x)\\ \\ \text{Entonces; }f(x)=x^2$