Question

What does domain and what does range mean in algebra :(​

Answer 1

In its simplest form the domain is all the values that go into a function, and the range is all the values that come out.

Answer 2

The domain of a function f(x) is the set of all values for which the function is defined, and the range of the function is the set of all values that f takes. ... They may also have been called the input and output of the function.)