Question

Por favor me ajudem ​

Answer 1

Explicação passo-a-passo:

a) $f(x)=x+1$

$x+1=0$

$\boxed{x=-1}$

b) $f(x)=2x+2$

$2x+2=0$

$2x=-2$

$x=\dfrac{-2}{2}$

$\boxed{x=-1}$

c) $f(x)=-4x+9$

$-4x+9=0$

$4x=9$

$\boxed{x=\dfrac{9}{4}}$

d) $f(x)=-4x-1$

$-4x-1=0$

$4x=-1$

$\boxed{x=\dfrac{-1}{4}}$

e) $f(x)=-6x+42$

$-6x+42=0$

$6x=42$

$x=\dfrac{42}{6}$

$\boxed{x=7}$

f) $f(x)=-9+24x$

$-9+24x=0$

$24x=9$

$x=\dfrac{9}{24}$

$\boxed{x=\dfrac{3}{8}}$