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The purpose of focus points is to maintain a person more concentrated on the important parts of something
Answer:
I think the answer is to persuade.
might be to inform as well.
Explanation:
I think it is to persuade because the author asks the question "why should a car be any different?" as to let the readers imagination run with it.
I also think it may be to inform because the author says "driving while talking on the phone is dangerous" so the author could be saying I don't think its a good idea to have a phone in the car and this is why.
I could be wrong but that is what I think
