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# Maths Car hire Investigation

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Why bother with a post grad course - waste of time? 17-10-2016
1. Hello everyone,I got homework but I have no clue how to do it. Basically I Need to investigate if the same firm always give the best value for varying lengths of the journey and, if not, find at which mileages the changes occur.

firm a£50 per week250 free milesthen 10p per mile
firm b£60 per week600 free milesthen 20p per mile
firm c £150 per weekunlimited free mileage.

Help
2. (Original post by NewToCodingHelp)
Hello everyone,I got homework but I have no clue how to do it. Basically I Need to investigate if the same firm always give the best value for varying lengths of the journey and, if not, find at which mileages the changes occur.

firm a£50 per week250 free milesthen 10p per mile
firm b£60 per week600 free milesthen 20p per mile
firm c £150 per weekunlimited free mileage.

Help
Why don't you plot their graphs? Cost versus journey length. Define the first two as piecewise horizontal and then linear.
3. (Original post by Zacken)
Why don't you plot their graphs? Cost versus journey length. Define the first two as piecewise horizontal and then linear.
Thanks for you;re reply but I got no clue what you are talking about.
4. anyone fancy doing it for me?

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