Two separate line segments form the graph of a function : one from to (both endpoints…
MATHEMATICS · Subjective · US High School · Algebra 1 · Functions · Functions
Problem
Two separate line segments form the graph of a function k: one from (−4,2) to (−1,2) (both endpoints included) and another from (2,−1) to (5,−1) (both endpoints included). A student writes the range of k as [−1,2]. Explain why this statement is incorrect and write the correct range.