3x-y=1; d:{-3,-1,0,4}

First, rearrange the equation so that it is solving for y:

3x - y = 1

+y + y

3x = y + 1

-1 - 1

3x - 1 = y

Now substitute the domain values you have listed into the 'x' of the equation to get the values for y.

For example:

3 (-3) - 1 = y

-9 - 1 = y

y = - 10