Solve the Problem A) 9
B) -1
C) 19
D) -185

question 136

Multiple Choice

Solve the problem.
- $$\text { Evaluate } \frac { \partial \mathrm { z } } { \partial \mathrm { u } } \text { at } ( \mathrm { u } , \mathrm { v } ) = ( 4,5 ) \text { for the function } \mathrm { z } = \mathrm { xy } - \mathrm { y } ^ { 2 } ; \mathrm { x } = \mathrm { u } - \mathrm { v } , \mathrm { y } = \mathrm { uv }$$

• A) 9
• B) -1
• C) 19
• D) -185

---

Definitions:

Mexican Americans

Americans of full or partial Mexican descent, constituting one of the largest Hispanic groups in the United States and contributing significantly to its cultural and social fabric.

New Deal Era

A period in the United States during the 1930s when President Franklin D. Roosevelt's administration implemented a series of programs and policies aimed at recovering from the Great Depression.

Craft Unions

Organizations of skilled workers in the same trade or craft aiming to negotiate collectively for better wages, working conditions, and hours.

Industrial Unions

Unions that organize workers across all crafts and trades within a single industry.