The function D(h)=25h+50 models the distance a train traveled from a station, in miles, h hours after crossing a bridge, what is
the meaning of the x intercept?
2 answers:
The train crossed the bridge 2h after leaving the station.
The x intercept is where the line crosses the y axis or where D(h)=0
D(h) is the distance that the train is from the station
so that means that when D(h)=0, that is when the train is at the station
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