Question

Given the function f(x)= 2|x+6|-4, for what values of x is f(x)=6?

Answer 1

x = -1 or x = -11

Explanation:

f(x)= 2|x+6|-4

2|x+6|-4 = 6

2|x+6| = 6+4

2|x+6|=10

|x+6| = 10/2

|x+6| = 5

x+6 = ±5

x = ±5 - 6

x = -1 or x = -11