The function y is equal to the range of x plus 1 / 2x plus 4

The function y is equal to the range of x plus 1 / 2x plus 4

It can be reduced to y = 2 + (2 / x + 1)
When x is near 0, the value of (2 / x + 1) can be infinite or infinitesimal, that is, it can't take 0,
So the range is y ≠ 2