Productivity and Yield of Cultivated Crops Are Often Reduced by Insect

question 220

Short Answer

Productivity and yield of cultivated crops are often reduced by insect pests. The following graph shows the relationship between the yield of a certain crop, f(x), as a function of the density of aphids x. (Aphids are small insects that suck plant juices.) Here, f(x) is measured in kilograms/ 4,000 square meters, and x is measured in hundreds of aphids/bean stem. By computing the slopes of the respective tangent lines, estimate the rate of change of the crop yield with respect to the density of aphids when that density is 200 aphids/bean stem and when it is 800 aphids/bean stem.
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Definitions:

Financial Statement

A precise documentation of monetary activities and the financial state of a corporation, a person, or another entity.

Account Balance

The total amount of money that is present in an account at any given time, which can be a positive or negative value.

Financial Statement

An official document detailing the financial transactions and status of an entity, such as a company, person, or organization, often comprising the balance sheet, income statement, and statement of cash flows.

Account Balance

Account Balance represents the sum total after adding all debits and subtracting all credits in an account at a given moment.