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The graph represents the distance in miles, y that Car A travels in x minutes. The function y =

On
epresents the distance, y, that
Car B travels in x minutes. Both cars are moving at a constant rate of speed. Which BEST compares the rates of the two cars?​

1 Answer

7 votes

Step-by-step explanation:

Hello! Remember you have to write complete questions in order to get good and exact answers. Here you have provided neither the graph nor the equation, so I could help you providing my own graph and equation. From physics, we know that speed, time and distance are related in the following form:


distance=speed * time \\ \\ \\ If: \\ \\ d:distance \\ v:speed \\ t:time \\ \\ \\ Then: \\ \\ d=vt

So
v is the slope of a line that passes through the origin where
d matches the y-axis and
t matches the x-axis. So we can write:


y=mx \\ \\ \\ y\rightarrow d \\ \\ m\rightarrow v \\ \\ x\rightarrow t

From the graph, we can know that:


y=40x \\ \\ \\ \text{Because the slope is:} \\ \\ m=(40-0)/(1-0)=40

And the equation that I provide is:


y=60x

If both speeds are given in mi/h, then by comparing them, we can say that the speed (rate) of the first car (graph) is 20mi/h less than the speed of the second car (equation)

The graph represents the distance in miles, y that Car A travels in x minutes. The-example-1
User Luke Needham
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