The experience of making and proving mathematical conjectures is valuable for students. The element of doubt in the conjecture gives students access to reasoning. All Calculus textbooks discuss limits, but most practice problems on the subject of limits are not specifically made as practice problems for making and proving conjectures. This study aims to describe problems on the subject of limits that can be used as practice questions to make and prove conjectures. The object of this research is the questions on the subject of limits related to geometry material in the book Calculus, 7th edition by James Stewart. This research method is a content analysis based on the praxeology model which consists of four elements of analysis, namely tasks, techniques, technology, and theory. The results show that the problems can be identified as exercises in making and proving conjectures, the steps in making and proving conjectures can be used to solve the problem, justification can be done to apply the steps in making and proving conjectures, and there is a theory used in justifying the steps in making and proving conjectures.
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