Can somebody do this for me

For which pair of functions is (gof)(a)=|a|-2?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?