How to solve q19, pg 154, from your study guide. Thanks.

The thing I tell most students who struggle with this one to do is to graph every choice—that’ll work like a charm because it’ll not only show you exactly which is the right answer, but it’ll also be good practice recognizing how shifts inside and outside of functions work.

The other thing I tell people is that there are two functions that might produce the given graph, and the correct answer is perhaps the less obvious one. Here are both.