Question

dado a função f (x)=1 -3x. calcule X sabendo que f (x)=0

Answer 1

f(x)=1-3x
F(x)=0

1-3x=0
-3x=-1

3x=1

x=1/3

Answer 2

$Resolu\c{c}\~ao \to \left\{\begin{array}{ccc}f(x)=1-3x\ ;f(x)=0\\\\1-3x = 0\\\\-3x = -1\\\\3x =1\\\\\boxed{\boxed{x = \frac{1}{3}}} \end{array}\right$

Espero ter ajudado. :))