What does this mean when talking about suitable domains?
>>7763411
It means x is real.
>>7763411
x = variable x
∈ = 'is an element of'
R = real number set
Hence, x∈R is simply a small note stating that x is a real number.
>>7763412
So how big do I need to make this graph?
>>7763417
not that big, just - to + infinity
>>7763411
It means x is not fake
>>7763571
u mean 'irrational'
>>7763771
Irrational numbers are still real. They're literally between reals
>>7763411
X is an element of the real numbers
Here, have a video:
https://youtu.be/dLn5H69lS0w?t=34
It means your 'x's cameltoe is real.
can't you read the picture? it says
boobs, vagina, penor in hole
>>7763775
You mean rationals?
It means x is not imaginary, in which case you'd need another dimension to your graph.
