Question

Let two functions be f(x)= x²-4 , g(x)= 1/x+4 what is (fog) (x)​

Answer 1

Answer:

Answer

gof(x) exists when f(x)≥1 and xϵ[−1,4]

x

2

≥1⇒Xϵ(−∞,−1]∪[1,∞)

⇒Xϵ[1,4]∪−1

Range of gof(x)=[0,sec

−1

16] pls mark brialiant and follow