Question

O gráfico abaixo representa qual função:

Answer 1

B:

$y=ax+b\\-1=a(0)+b\\-1=b\\\\--------------------------------\\A:\\y=ax+b\\0=\frac{1}{3}a-1\\\\\frac{0=1a-3}{3}\\ -a=-3\\a=3\\\\--------------------------------\\y=ax+b\\y=3x-1$