Determine Whether the Two Matrices Are Inverses of Each Other $\left[\begin{array}{ll}9 & 4 \\ 4 & 4\end{array}\right],\left[\begin{array}{rr}-.2 & .2 \\ .2 & -.45\end{array}\right]$

True/False

Determine whether the two matrices are inverses of each other by computing their product.
- $\left[\begin{array}{ll}9 & 4 \\ 4 & 4\end{array}\right],\left[\begin{array}{rr}-.2 & .2 \\ .2 & -.45\end{array}\right]$