An investor opens an account with $5,000. The value of the account increases at a rate of 4.2% per year. The investor makes no additional deposits or withdrawals.

Which function can be used to find the total amount in the account in dollars after x years?

f(x) = 5,000 (0.958)^x
(x) = 5,210 (1.042)^x
f(x) = 5,210 (0.958)^x
f(x) = 5,000 (1.042)^x