Question

a) calcule f(x) = x - 1​

Answer 1

Oie, Tudo Bom?

$f(x) = x - 1$

$0 = x - 1$

$- x = - 1 \: . \: ( - 1)$

$\boxed {x = 1}$

Att. Makaveli1996

Answer 2

Resposta:

F(X)= X+1÷X-1

F(X)=X²-1X÷1X-1

F(X)=1-1÷1X-1X

F(X)=0