Is it truly necessary that I use (3, inf) rather than [4, inf)? In the second image as well, does it truly require including more than two unions of intervals in order to be more specific?
#Function domains interval
storm otter
toxic gorgeBOT
humble arch
那你的 (3,4] 怎麼辦？
elfin creek
那你的 (3,4] 怎麼辦？
I don’t think they understand Mandarin
elfin creek
Is it truly necessary that I use (3, inf) rather than [4, inf)? In the second im...
There is a slight difference between (3,inf) and [4,inf)
[4,inf) does not conclude 3.1,3.2,3.3… and so on, while the other does.
storm otter
There is a slight difference between (3,inf) and [4,inf)
[4,inf) does not conclu...
Oh, I see, thanks
small sandal
,w plot y = 4/(3-t)
woven vectorBOT
small sandal
As you can see, t cannot be 3
So it belongs to (-infinity;3) U (3;infinity)
But then the range , is all the possible values the function takes
storm otter
As you can see, t cannot be 3
Yeah because it would be undefined