Respuesta :

y=3(-1)-1
y=-3-1
y=-4
The answer is B.
[tex]y=3x-1\\\\x=-1\to put\ the\ value\ of\ "x"\ to\ the\ equation:\\\\y=3\cdot(-1)-1=-3-1=-4\\\\Answer:\boxed{y=-4\ for\ x=-1}\\\\/y-the\ value\ of\ the\ function/[/tex]