Question

How do you find the domain and range of `y = x^2 + 86`?

Answer 1

There are to constraints.

Explanation:

Because there are no constraints the domais is :

`D=x in RR`

we know that `x^2>=0 iff x^2+86>=86 iff y>=86`

so the range is : `R=[86,+ oo)`