Find the Local Maximum and Minimum Values and Saddle Points $f ( x , y ) = 3 x ^ { 3 } + y ^ { 2 } - 9 x + 4 y$

question 263

Essay

Find the local maximum and minimum values and saddle points of the function $f ( x , y ) = 3 x ^ { 3 } + y ^ { 2 } - 9 x + 4 y$ .

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Definitions:

Product Costs

Costs directly associated with the creation of a product, including materials, labor, and manufacturing overhead.

GAAP

Generally Accepted Accounting Principles, a set of standards and procedures for financial reporting used in the United States.

Variable Costing

An accounting method that only includes variable costs in product costing and decision-making.

Fixed Costs

Outgoings such as rent, salaries, and premiums for insurance that are unaffected by the quantity of sales or production.