Given $f ( x , y ) = x ^ { 2 } \sin ( x y )$

question 55

Essay

Given $f ( x , y ) = x ^ { 2 } \sin ( x y )$ , find $f _ { x }$ , $f _ { y }$ , and $f _ { x y }$ .

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Definitions:

Variable Costs

Costs that vary directly with the level of production or sales.

Total Cost Method

An accounting approach that sums up the direct, indirect, fixed, and variable costs associated with manufacturing a product.

Cost-Plus Approach

A pricing strategy where the selling price is determined by adding a specific markup to a product's cost to ensure profitability.

Markup Percentage

A measure of the difference between the cost of a product and its selling price, expressed as a percentage of the cost.