Question

I don't understand domain and range

Answer 1

domain is 'x' and range is 'y'

Answer 2

for example (2,3) 2 is the domain because it is the 'x' value and 3 is the range because it is the 'y' value

Answer 3

I suggest you watch the khan acedemy: Domain and range of a function - Khan Academy

Answer 4

The domain is the set of all first elements of ordered pairs (x-coordinates).
The range is the set of all second elements of ordered pairs (y-coordinates)

Answer 5

domaine = set of all possible values for independent variable
Range = Set of all values for the dependent variable