1question

is this a function?

What are the domain and range of f(x)=[1/5]x

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

Do 12/14 and 8/10 have the same value? explain your answer.