Question

Help with this please

Answer 1

`(f+g)(x)=√(4x+6)+√(4x-6)`

Answer 2

`\huge\boxed{Option \ 4: (f+g)(x) = √(4x+6) + √(4x-6)}`

Explanation:

`f(x) = √(4x+6)\\ g(x) = √(4x-6)`

Adding both

`(f+g)(x) = √(4x+6) + √(4x-6)`