It is known that the image of the first-order function y = (2m-1) x + 1-4m of X does not pass through the third quadrant, then the value range of M is

It is known that the image of the first-order function y = (2m-1) x + 1-4m of X does not pass through the third quadrant, then the value range of M is

After quadrant one two four, 2m-1