Q.3 a) Give definitions for the functions described below: i) f:N⟶N gives the number of snails in your terrarium n years after you built it, assuming you started with 3 snails and the number of snails...

Q.3
a) Give definitions for the functions described below:
i) f:N⟶N gives the number of snails in your terrarium n years after you built it, assuming you started with 3 snails and the number of snails doubles each year.
ii) g:N⟶N gives the number of push-ups you do n days after you started your push-ups challenge, assuming you could do 7 push-ups on day 0 and you can do 2 more push-ups each day.