Answer:

Step-by-step explanation:
Given:

Required:
f(g(x))=?
Solution:
let f(g(x))=f(X), where X=g(x)
so 
put X=
, we get


The answer is c.
Since a^2+b^2=c^2, b^2=c^2-a^2 thus,
16=4-b^2= srt. of 12
Answer:
C. x = 6
Step-by-step explanation:
2*6 + 4 = 16
Answer:
It's C) 53
Step-by-step explanation:

Look at the picture.
The common part does not exist.