Chapter 2.5, Problem 89E

5 Use a spreadsheet to numerically verify the result of Exercises 1-55.

For Exercises 23-28 find the maximum profit and the number of units that must be produced and sold in order to yield the maximum profit, Assume that revenue, $\text{R}\left(\text{x}\right),and\cos t,\text{C}\left(\text{x}\right),areindollarsfor$

Exercises 23-26

Maximizing yield. Hood Apple Farm yields an average of 30 bushels of apples per tree when 20 trees are planted on an acre of ground. If 1 more tree is planted per acre, the yield decreases by 1 bushel (bu) per tree as a result of crowding. How many trees should be planted on an acre in order to get the highest yield?