Which situations can be modeled by a linear function?
A)
Car rental for $40 plus $0.25 per mile driven.
B)
New car worth $45,000 depreciates by 20% every year.
C)
10 pound six week old puppy gaining 3 pounds each month.
D)
City with a population of 50,000 doubles every 10 years.
E)
Gym membership that costs $30 and then just $2 per visit.