Question

esboço do gráfico f(x)=3x-2

Answer 1

 Gráfico

f(x)=3x-2

raiz ou zero da função

$3x-2=0 \\ 3x=2 \\ x= \frac{2}{3} \\ \\ \\ X~~|~~Y \\ 0~~~|~~-2~~\mapsto3(0)-2=0-2=-2~~(corta~~o~~eixo~~y) \\ \frac{2}{3} ~~|~~0~~~\mapsto corta~~eixo~~x \\ ~~ 1~~|~~1~~\mapsto 3(1)-2=3-2=1$