The function f(x)= - (x+2)^2+16 has been rewritten using the completing-the-square method. the function g(x) =4x^2+16x+24. which vertex for each function has a minimum or a maximum? what is the vertex for each function?

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative