standard_description: Relate the domain of a function to its graph and, where applicable, to the quantitative relationship it describes.  For example, if the function h(n) gives the number of person-hours it takes to assemble n engines in a factory, then the positive integers would be an appropriate domain for the function.
problem_activity: You deposit $8,000 into an account that pays 4.5% interest, compounded quarterly. How long will it take for you to have $12,000?


aligns: no