In Which Direction Does the Directional Derivative For $f ( x , y ) = x ^ { 2 } y$

question 288

Essay

In which direction does the directional derivative for $f ( x , y ) = x ^ { 2 } y$ at $( 1,1 )$ have value 1? Value $- 2$ ? Is there a direction for which the value is 4?

---

Definitions:

Action Query

A query in a database system that performs modifications (e.g., insert, update, delete) to data.

Hidden Property

An attribute that can be set to make a database object invisible or inaccessible to users under normal circumstances.

Navigation Pane

A user interface element that enables users to move through different views or sections of software or a website.

Database Password

A security feature used to restrict access to a database by requiring users to enter a secret key or password.