Calculate $\frac { \partial ^ { 2 } f } { \partial y ^ { 2 } }$

question 64

Short Answer

Calculate $\frac { \partial ^ { 2 } f } { \partial y ^ { 2 } }$ , $\frac { \partial ^ { 2 } f } { \partial x y }$ and evaluate each at $( 8,8 )$ .
​ $f ( x , y ) = 1,070 - 20 x + 11 y + 9 x y$ ​
Enter your answers, separated by a comma.

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Definitions:

Concentration Ratio

A metric used in economics to assess the degree of market concentration by measuring the market share of the largest firms within an industry.

Largest Firms

Companies that dominate their industries or markets, often characterized by significant revenue, global presence, and market influence.

Profits

The financial gain achieved when the amount earned from a business activity exceeds the expenses, costs, and taxes needed to sustain the activity.

Concentration Ratios

Measures that indicate the extent to which a small number of firms occupy a large market share within an industry.