Let . Which of the following describes the range of…

MATHEMATICS · Single correct · US High School · Algebra 1 · Functions · Functions

Problem

Let

k(x)=|x+1|-|x-3|

. Which of the following describes the range of

k(x)

? (a)

[0,4]

(b)

(-4,4]

(c)

[-4,4]

(d)

(-4,4)