Reasoning with Functions 2 (RF2) is the second course in the Dana Center's Pathway to Calculus. The pathway consists of two college-level courses, Reasoning with Functions 1 (RF1) and Reasoning with Functions 2 (RF2). The courses accelerate students designated as underprepared, who plan to pursue degrees in science, technology, engineering, or mathematics and who plan to take one or more of the traditional Calculus courses.

RF2 is designed to help students develop a strong conceptual understanding of functions and their behavior, using explicit covariational reasoning to investigate and explore quantities, their relationships, and how these relationships change. In RF2, students engage in collaborative activities to model and solve problems involving algebraic and transcendental functions, and develop the algebraic tools necessary to model and solve problems using dynamic geometry and trigonometric functions and their properties.

It is recommended as a four-credit course with the same instructor.