Question

I dont know how to find out if this is a solution or not​

Answer 1

im not exactly sure what ur looking for but your answer might be
`\:f\left(x\right)=4` or
`-2<x<3` fo #1 and #2 might be
`f\left(x\right)=-5` or
`-1<x<1` but not positive sooo

Explanation:

hope this helps :)