Mashaal Masha
Mashaal Masha
 Apr 12, 2024
0
$y=18-5x$
The equation above represents the speed $y$, in feet per second, of Sheila's bicycle $x$ seconds after she applied the brakes at the end of a ride. If the equation is graphed in the $xy$-plane, which of the following is the best interpretation of the $x$-coordinate of the line's $x$-intercept in the context of the problem?
Difficulty: Medium
A: 

The speed of Sheila's bicycle, in feet per second, before Sheila applied the brakes

B: 

The number of feet per second the speed of Sheila's bicycle decreased each second after Sheila applied the brakes

C: 

The number of seconds it took from the time Sheila began applying the brakes until the bicycle came to a complete stop

D: 

The number of feet Sheila's bicycle traveled from the time she began applying the brakes until the bicycle came to a complete stop

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