Question
Mike, who is a bicyclist is riding along a flat road. He then goes downhill. Can you identify the output variable when you represent the distance traveled over time with a qualitative graph?
- Distance
- Time
- Road
- Bicycle
Hint:
Mike riding bicycle along straight road , then he goes downhill. Here a graph from distance vs time. Where distance in y-axis and time along x-axis. Time is independent variable and distance is dependent variable , its change by input time.
The correct answer is: Distance
Here , we have to find the input variable in distance vs time graph.
Firstly, A graph having x-axis is time and y-axis is distance.
Now,
The time is independent of distance ,
And distance is time dependent.
If we increase time the distance would be decrease .
So the input variable would be time and output variable would be distance .
Therefore, The output variable of this qualitative graph is distance.
The correct answer is distance ( option (a)).
The input variable are change or measured along the horizontal axis or x-axis and the output variable along the vertical axis or y-axis. And here distance on which is dependent variable because it is at y-axis.
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