Write the Word or Phrase That Best Completes Each Statement $\mathrm{x}=1$

Essay

Write the word or phrase that best completes each statement or answers the question.
-The table shows the winning time for the women's 200 -meter run at seven consecutive summer Olympic Games.

Let $\mathrm{x}=1$ correspond to 1960 and let $\mathrm{f}(\mathrm{x})$ be the winning time for the women's 200 - meter run at the Olympics in year $x$ . Using the points $(1,24.0)$ and $(25,21.81)$ , the following linear function is obtained to model the data: $f(x)=-0.09125 x+24.09125$ . What does the slope, -0.09125 , indicate?