This "Three Act Task" Activity is a great opportunity to get the class working in groups to solve a challenging problem in Precalculus. Given a photo, students are asked "What do you notice?", and asked to brainstorm & respond. Then, students are asked, "What do you wonder?", and asked to brainstorm & respond (Act 1). After that, students discover their own main mathematical problem (with the guidance of the teacher, of course) and work to solve it using any resources available (Act 2). Then