Look at the picture below

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

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 ?

(x-5)1/2+5=2 what is a possible solution?