Question: In 1980, the average monthly rate for basic able TV in the United States was $7.69. In 2008, the average monthly rate was $6.13. Assume

In 1980, the average monthly rate for basic able TV in the United States was $7.69. In 2008, the average monthly rate was $6.13. Assume a linear relationship, and find the average rate of change in the monthly rate per year.

Assume that the cost to produce an item is a linear function and all items produced are sold.The fixed cost is $1500, the variable cost per item is $100,and the item sells for $125.Find the profit gain orloss when 50 items are sold.

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