### Home > PC > Chapter 6 > Lesson 6.1.3 > Problem6-42

6-42.

Let $g$ be an inverse square variation function where $g\left(4\right) = 1.2$ ($g(x) = \frac { k } { x ^ { 2 } }$ for some $k$). Find the variation function, $g$, and then find $g\left(6\right)$ and $g\left(−3\right)$.

Plug in the point $\left(4,1.2\right)$ to find '$k$' first.