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    Determine the total change in sales as advertising expenditure increases

    from 3 to 6.? The rate of change in sales S with respect to advertising expenditure x is given by ds / dx = 3x^2 - 2x - 1, for 2 <= x <= 10. Determine the total change in sales as advertising expenditure increases from 3 to 6.
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    Clairol Foam Question/Hair Dye Questions..?

    Hope to help u
  3. L

    Find the area of the shaded region?

    http://img105.herosh.com/2011/04/15/834640384.jpg
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