Question

Dadas as funções f(x)=3x-2 e g(x)=-4x+1

(gof)(x)=...

HELP-ME

Answer 1

f(x)=3x-2 e g(x)=-4x+1

(gof)(x) = g(f(x))

= -4*f(x) +1 

=-4*(3x-2) +1  

=-12x+8 +1

=-12x+9  é a resposta

Answer 2

(gof)(x)=4x+1
= 4(3x-2)+1
= 12x-8+1
= 12x -7

12x=7
X=7/12