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  3. 2 the following table shows the market share of electricity...

Question: 2 the following table shows the market share of electricity...

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2. The following table shows the market share of Electricity Inc as a percentage of the total energy production in a city by year.

            Year                 Market Share

            1980                17.0%

            1985                18.9%

            1990                20.0%

            1995                20.8%

            2000                20.1%

            2005                17.4 %

            2010                16.3 %

Use quadratic regression to find a mathematical model that describes the relationship between year and market share. Use EXCEL to draw a graph of this relationship with the trend curve.

3. Use the revenue and cost functions:

            R(x) = x(2,000 – 60x)

            C(x) = 4000 + 500 x

  1. Find the break even points.
  2. For what values of x will a loss occur? A profit?
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