Mashaal Masha
$\bm{f}(\bm{x})=9,000(0.66)^{x}$

The given function $f$ models the number of advertisements a company sent to its clients each year, where $\bm{x}$ represents the number of years since 1997, and $0\leq\bm{x}\leq 5$. If $y=\bm{f}(\bm{x})$ is graphed in the $xy$-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 advertisements the company sent to its clients during the 5 years was 1,708.

B: 

The minimum estimated number of advertisements the company sent to its clients during the 5 years was 9,000.

C: 

The estimated number of advertisements the company sent to its clients in 1997 was 1,708.

D: 

The estimated number of advertisements the company sent to its clients in 1997 was 9,000.

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