Question

Given the function f(x) = -5|x + 1|
+ 3, for what values of x is f(x) = -12?

Answer 1

2 and -4

Explanation:

-5|x + 1| + 3 = -12

-5|x + 1| = -15

|x + 1| = 3

x + 1 = 3 / x + 1 = -3

x₁ = 2 / x₂ = -4