A function is represented on the Cartesian plane by the following three pieces:
MATHEMATICS · Single correct · US High School · Algebra 1 · Functions · Functions
Problem
A function g is represented on the Cartesian plane by the following three pieces:
(i) y=(x+1)2 for −3≤x≤−1 (both endpoints are filled dots),
(ii) y=2 for −1<x<2 (both endpoints are hollow dots),
(iii) y=1 for x≥2 with a filled dot at (2,1).
What is the range of g?
(a) (0,4]
(b) [1,4]
(c) [0,4]
(d) [0,4)