Answer:
A. The graphs are the same.
Step-by-step explanation:
Replace the x in 7x by (3x + 1):-
(f o g)(x) = 7 * (3x + 1)
= 21x + 7 which is choice D.

The account will have decreased by $2640 after 2/3 year.
Answer:
The added values are 180.
Step-by-step explanation:
The answer to the question