Question

How do you find the domain and range of `y = 2(x-3)² - 1`?

Answer 1

See explanation.

Explanation:

The given function is a polynomial, so its domain is `RR`.

From the graph:

graph{2(x-3)^2-1 [-10, 10, -5, 5]}

you can see, that the range is `R=[-1;+oo)`