Title: A study of common student practices for determining the domain and range of graphs.
Authors: Cho, Peter; Norris, Benjamin; Moore-Russo, Deborah
Abstract: This study focuses on how students in different postsecondary mathematics courses perform on domain and range tasks regarding graphs of functions. Students often seem to focus on notable aspects of a graph and fail to see the graph in its entirety. Many students struggled with piecewise functions, especially those involving horizontal segments. Findings indicate that Calculus I students performed better on domain tasks than students in lower math courses; however, they did not outperform students in lower math courses on range tasks. In general, student performance did not provide evidence of a deep understanding of domain and range.
Subjects: CALCULUS; MATHEMATICS; GRAPHIC methods
Publication: Investigations in Mathematics Learning, 2017, Vol 9, Issue 4, p202
ISSN: 1947-7503
Publication type: Academic Journal
DOI: 10.1080/19477503.2017.1285658

A study of common student practices for determining the domain and range of graphs.

Cho, Peter; Norris, Benjamin; Moore-Russo, Deborah