Calculate $\left. \frac { \partial f } { \partial x } \right| _ { ( 8,7 ) }$

question 61

Short Answer

Calculate $\left. \frac { \partial f } { \partial x } \right| _ { ( 8,7 ) }$ , and $\left. \frac { \partial f } { \partial y } \right| _ { ( 8,7 ) }$ when defined.
​ $f ( x , y ) = 1,120 - 17 x + 19 y + 3 x y$ ​
Enter your answers, separated by a comma.

---

Definitions:

Aggregate Supply

Aggregate supply represents the total amount of goods and services that producers are willing and able to supply at a given overall price level in an economy.

Stock Market Prices

The current price at which a share of a company is bought or sold in the stock market.

Aggregate Demand

The total demand for all goods and services within a particular market over a specific time period.

Aggregate Supply

The total supply of goods and services that firms in an economy plan on selling during a specific time period at prevailing price levels.