WeBWorK using host: https://math-webwork3.unl.edu, format: simple seed: 123567890

In 1990, there were 7,261,711 Americans who held valid US passports. It is also known that 131,841,062 Americans held valid US passports in 2019. Write a formula for the number of Americans with valid US passports years after 1990 if the growth of passport holders is...