Which of the following situations could have a regression line with a negative y-intercept?

Select all that apply:

The present value of an insurance policy as a function of the age of the insured person if the person purchases the policy when he or she is 50 years old.

The amount of oil in an oil field as a function of the number of years the oil field has been in production.

The value of a Fortune-500 company, founded in the year 1990, as a function of the number of years after the year 2010.

The value of a rail locomotive as a function of the number of years since it was put into service.