Question

dada função afim f(x)a=2x+3,determine os valores de x para que;a)f(x)=1b)f(x)=0c)f(x)=1/3

Answer 1

A) F(x)=2x+3
1=2x+3
-2=2x
x=-1

B) 0=2x+3
-3=2x
x=-3/2

C) 1/3=2x+3

1/3-3=2x

1/3-9/3=2x

-8/3=2x

x=-8/6