The number of members in an organization, M, changes as a function of t months. In which situation is M a linear function of t? The membership doubles every year from the previous year.
1.The membership doubles every year from the previous year.
2.The membership increases by 1% every month from the previous month.
3.The membership decreases by 20 members every month from the previous month.
4.The membership increases by 50 members in each of the six warmest months and decreases by 50 members in each of the other six months. The membership doubles every year from the previous year.