Answer:
Answer is - 2.
Step-by-step explanation:
(f+g) (x)=f(x) +g(x)=x^2 -2x +6x+4
=x^2 +4x+4=0
If x=-4, then (f+g) (-4) =16-16+4=4
if x=-2, then (f+g) (-2)=4-8+4=0
You X to the second power.. 4 to the second power is 16 and 16-16=0 so x=4
Answer: C
Step-by-step explanation:
For a parabola, the domain is ALWAYS “all real numbers”.
Hope this helps :)