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why might function notation be important? the reasons notation is used?

Once you get out of three dimensional functions, it is hard to write it any other way. Example:

f(x,y,z,t, u, v)=2x +y*et + uv -3zuv2

  • algebra -

    to rent a dvd a customer must pay $3.99 plus $0.99 for every day that it is late, write a rule in function notation for this situation?


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