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IsTim

  • 3 years ago

A paint store sells 270 cans of paint per month at a price $32 each. A customer survey indicates that for each $1.20 decrease in price, sales will increase by 6 cans of paint. Determine the demand, or price, function.

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  1. IsTim
    • 3 years ago
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    My answer is 0.2x, but the actual answer is 86-0.2x.

  2. IsTim
    • 3 years ago
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    First, I found m thru m=1.20/6=0.2 Then I gound m by 1.20=(0.2)6+b

  3. IsTim
    • 3 years ago
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    got, not gound.

  4. IsTim
    • 3 years ago
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    Don't give a medal please! I need assistance!

  5. IsTim
    • 3 years ago
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    Please! This question is relatively simple.

  6. Mimi_x3
    • 3 years ago
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    hm, calculus?

  7. IsTim
    • 3 years ago
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    Yes. IT should be easy.

  8. Mimi_x3
    • 3 years ago
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    looks like a minimum/maximum problem..

  9. IsTim
    • 3 years ago
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    No, even easier than that.

  10. IsTim
    • 3 years ago
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    Please, anyone, tell me how to achieve the correct answer.

  11. Mimi_x3
    • 3 years ago
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    lol, i think there's a formula for it..which i cant remmember.. but i found this on google: http://en.allexperts.com/q/Calculus-2063/2010/7/Rate-Change-3.htm

  12. IsTim
    • 3 years ago
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    You looked up the actual question. Huh.

  13. IsTim
    • 3 years ago
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    The real answer is 86-0.2x.

  14. IsTim
    • 3 years ago
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    I got 0.2x only.

  15. Mimi_x3
    • 3 years ago
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    The formula to solve this is \(P(x) = R(x) -C(x)\), right?

  16. IsTim
    • 3 years ago
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    That's something else.

  17. IsTim
    • 3 years ago
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    The profit function.

  18. IsTim
    • 3 years ago
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    It's the price function here.

  19. Mimi_x3
    • 3 years ago
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    well, whats the formula to solve this? I might be able to work backwards; since i cant remmeber how to do these..

  20. IsTim
    • 3 years ago
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    Well, it's reall just y=mx+b that we're looking at, with slope nad b sought for.

  21. Ishaan94
    • 3 years ago
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    f(x)=270+6(x/1.2)?

  22. Ishaan94
    • 3 years ago
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    but this isn't continuous function is it? you cant' sell 270.3333 cans can you?

  23. IsTim
    • 3 years ago
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    The answer in the textbook is 86-0.2x.

  24. Ishaan94
    • 3 years ago
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    the function?

  25. IsTim
    • 3 years ago
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    Yes.

  26. Ishaan94
    • 3 years ago
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    shouldn't the constant term be 270 not 86. as you start from the 270 figure not 86... the negative sign might have been because of the decrease.

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