Use the Chain Rule to Find $\frac { \partial u } { \partial p }$

question 115

Short Answer

Use the Chain Rule to find $\frac { \partial u } { \partial p }$ .
$$\begin{array} { l } u = \frac { x + y } { y + z } \\x = p + 5 r + 7 t , y = p - 5 r + 7 t , z = p + 5 r - 7 t\end{array}$$

---

Definitions:

Insecure Attachments

A type of attachment style characterized by anxiety and uncertainty in relationships, often resulting from inconsistent caregiving in early childhood.

Self-reliance

The reliance on one's own powers and resources rather than those of others.

Temperament

The inherent part of an individual's personality, including mood, disposition, and adaptability.

Attachment Security

The degree of trust in the availability and responsiveness of one's attachment figures, often developed in early childhood.