Can anyone me < 3

which of the following is a function equivalent to f(x) = 3(1.7)^4x?

f(x) = 25.06x
f(x) = 3(8.35)x
f(x) = 3(8.25x)
f(x) = 487.97x

The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)

When is g(x) = 0 for the function g(x) = 5.23x + 4?

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 if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative