equalto /greater than OR greater than /equal to

Contextually I understand why it's (0,infinity) but > w/ dash under as 2 means aka till it and till it or infinity

x≤1/2 can mean (0,1/2) or (1/2,infinity)

Edited 3 hours ago3 hr by HbWhi5F

I understand what the formulas say, but I don't understand your question

(the infinity sign there is idiotic, but this is not your fault)

Just now, Genady said:

I understand what the formulas say, but I don't understand your question

yeah yes, I also could not see the question.

and [latex] \Delta [/latex]<0 in [latex] x^{2} -2x+3 [/latex] formula , thus it has always positive value.

Edited 3 hours ago3 hr by ahmet