Answer:
the first option
Step-by-step explanation:
plug in (x+1) as "x"
= sqrt( x^2+2x+5)
G(x) = sqrt(x^2+4)
Replace x with x+1
G(x+1) = sqrt((x+1)^2+4)
FOIL
= sqrt( x^2 + x+x+1 +4)
Combine like terms
