Question

What is the value of the function y=3x-1 when x = -1 A -8 B -4 C 2 D 6

Answer 1

$y=3x-1\\\\x=-1\to put\ the\ value\ of\ "x"\ to\ the\ equation:\\\\y=3\cdot(-1)-1=-3-1=-4\\\\Answer:\boxed{y=-4\ for\ x=-1}\\\\/y-the\ value\ of\ the\ function/$

Answer 2

y=3(-1)-1
y=-3-1
y=-4
The answer is B.