Any irrational number produces an irrational number when added to 3/4.
This is because 3/4 is rational (it can be represented as a ratio of two integers). You can get an irrational number only when you add rational to irrational (because rational to rational produces a rational sum).
It is a line that divides the space into two.. The line is y=-x-3
That’s hard , I don’t even know
