The given function models the number of coupons a company sent to their customers at the end of each year, where represents the number of years since the end of 1998, and . If is graphed in the -plane, which of the following is the best interpretation of the -intercept of the graph in this context?
The minimum estimated number of coupons the company sent to their customers during the 5 years was 1,428.
The minimum estimated number of coupons the company sent to their customers during the 5 years was 8,000.
The estimated number of coupons the company sent to their customers at the end of 1998 was 1,428.
The estimated number of coupons the company sent to their customers at the end of 1998 was 8,000.