A company's costs, in millions of dollars, are given by equation, C= x^2 - 3x - 27, where x is the number of items sold in thousands. What are the costs when 1,000 items are sold? 1,500 items? (Hint: If the number of items sold is 1000, then x =1.)
Calculations:
For 1,000 items:
For 1,500 items: