Please help me to do this question with steps

What are the domain and range of f(x)= -log5(x+2)

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?

Acar company uses the table below to show customers the approximate amount of gas used when a car has been driven a certain number of miles.