Key pat1 3-52 mathArisara Fungthanakul1. The document contains multiple math and logic problems involving sets, functions, equations, inequalities, and limits.
2. Many problems require determining properties of functions, solving equations and inequalities, evaluating limits, and performing calculations with sets, matrices, and complex numbers.
3. The last few problems involve calculating percentages, fitting linear equations to data sets, and predicting values based on linear trends.
5Arisara FungthanakulThis document appears to be an English proficiency exam containing reading comprehension and language use questions. It begins with a conversation between a student named Ladda and her teacher Mrs. Carson about joining a speech competition. It then provides two additional dialog situations and questions to test oral expression skills. The rest of the document contains questions to test error identification, sentence completion, and paragraph writing abilities.