Question

does the relation y=x^2-1 defines y as a function of x

Answer 1

Answer:

Yes.

From Definition - A special relationship where each input has a single output.

Check if there is going to be one y for one x.

Step-by-step explanation:

1. Re-write it in terms of y=…., meaning solve for y
2. If it looks like you have two equations then it is a relationship -case a
3. If you need to prove that one has a function for case b, you would point out that if you substitute any value you will get some value in Reals.

Answer 2

Answer:

yes. this relation DOES define y as a function of x

Step-by-step explanation: