Select all representations for the domain of a function given by elevation (in feet) at or above sea level.

Question

{x|x∈R}

{x|x≥0}

[0, ∞)

{x|x>0}

(0, ∞)

(0, ∞)

Answer 1

All of the representations listed are correct for the domain of a function given by elevation at or above sea level.