Respuesta :

I don’t know
Sorry I’m typing this, brainly says I have to answer 1 question in order to ask more and I’m taking a test right now, just ignore this I can’t risk failing, sorry.
jcherry99

Answer:

Step-by-step explanation:

You can read f(x) to mean y. y is above the x axis between -2 and - 6. To put it more formally,

-6 <x <-2

Why don't you use ≤ ?

It's because where is f(x) positive? 0 is not a positive value,, so you cannot use the endpoints.