F(x)=x²-4x+3dan g(x)=x-3 tentukan jika (gof)(x)=12maka tentukan nilai x

By Admin ReiPosted on December 12, 2022

F(x)=x²-4x+3dan g(x)=x-3 tentukan
jika (gof)(x)=12maka tentukan nilai x

$(gof)(x) = g(f(x)) \ 12 = f(x) - 3 \ 12 = ( {x}^{2} - 4x + 3 )- 3 \ {x }^{2} - 4x - 12 = 0 \ (x - 6)(x + 2) = 0 \ x = 6 : atau : x = - 2$