Find the domain and range of y=1

Question

I am trying to find the domain and range of y=1 because I do not understand how to calculate domain and range.

Answer 1

The domain are all of the values of the input, here it would be "x," for which the equation has meaning. No "x" appears in y = 1. So x can be any number.

 

x ∈ ℜ

 

As an aside, the range is all of the values for the output, here "y," that are the result of "x"value. Here the range is only the value 1.

 

y ∈ {y|y=1}