Exercise 10 Page 598

We will describe the composition of transformations that map $△FGH$ to $△QRS.$

The side lengths of $△QRS$ are $1.5$ the side lengths of $△FGH.$ Moreover, without considering the lengths, $△QRS$ seems to be a reflection of $△FGH$ $90^{\circ }$ across the $y\text{-}$axis. Therefore, $△QRS$ appears to be the image of $△FGH$ after a dilation by a scale factor of $1.5,$ followed by a reflection across the $y\text{-}$axis. Let's confirm this!