a car or vehicle that takes in polluted air from the environment .i want you to

a car or vehicle that takes in polluted air from the environment .i want you to create a real-life data analysis function that describes the behavior/operation of the smart device
1. Collect the date, describe how can we represent it graphically.
2. Write the function equation based on the data gathered.
3. Analyze the function by finding :
x and y intercepts,
Domain and range,
End behavior,
Intervals over which the function increases or decreases,
Concavity of the function (intervals over which the function concaves up or downward).