# Chapter 2 - Section 2.8 - Modeling Using Variation - Exercise Set - Page 425: 46

See explanation.

#### Work Step by Step

Given the relation $z=kx^2\sqrt y$, we can say that $z$ is proportional jointly with the square of $x$ and the square root of $y$.

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.