Profit The profit (in thousands of dollars) from the expendi- ture of x thousand dollars on advertising is given by P1x2 5 1000 1 32x 2 2x2. Find the marginal profit at the following expenditures. In each case, decide whether the firm should increase the expenditure.
a. $8000 b. $6000 c. $12,000 d. $20,000
could you clarify what you mean by P1x2 5 1000 1 32x 2 2x2?