Question

What is the range of this?

Answer 1

Answer: y ≥ -2 Interval Notation: [-2, ∞)

Explanation:

If the domain is x ≥ 0, then plug x=0 into the given equation to find the y ≥ value.

Range: y ≥ 2(0) - 2

y ≥ 0 - 2

y ≥ -2