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Chief Editor
 Mar 23, 2024
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$$f(t)=8,000(0.65)^{t}$$

The given function $f$ models the number of coupons a company sent to their customers at the end of each year, where $t$ represents the number of years since the end of 1998, and $0\leq t\leq 5$. If $y=f(t)$ is graphed in the $ty$-plane, which of the following is the best interpretation of the $y$-intercept of the graph in this context?
Difficulty: Hard
A:

The minimum estimated number of coupons the company sent to their customers during the 5 years was 1,428.

B:

The minimum estimated number of coupons the company sent to their customers during the 5 years was 8,000.

C:

The estimated number of coupons the company sent to their customers at the end of 1998 was 1,428.

D:

The estimated number of coupons the company sent to their customers at the end of 1998 was 8,000.

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