Answer: A, B, E
Explanation:
A) the domain is people - you cannot have negative people so the domain must be ≥ 0
B) the domain is miles - you cannot have negative miles so the domain must be ≥ 0
C) the domain is temperature - you CAN have negative temperature so the domain is All Real Numbers
D) the domain is profit - you CAN have negative profit (which is considered a loss) so the domain is All Real Numbers
E) the domain is person-hours - you cannot have negative person-hours so the domain must be ≥ 0