Question

#30 pleaseeeGraph the function and identify intervals on which the function is increasing, decreasing, or constant.#30: f(x) = | x + 1 | + | x - 1 | - 3

Answer 1

Given the function:

`f\left(x\right)\:=\:|\:x\:+\:1\:|\:+\:|\:x\:-\:1\:|\:-\:3`

Its graph is:

Then we have that f(x) is decreasing for x < -1, constant for -1 ≤ x ≤ 1, and increasing for x > 1.