Replace the x in 7x by (3x + 1):-
(f o g)(x) = 7 * (3x + 1)
= 21x + 7 which is choice D.
Answer:
70
Step-by-step explanation: the type of angle it is
Answer
its the third one.
Step-by-step explanation:

subtract the numbers:


subtract 9 from both sides

simplify

divide both sides by 6


decimal

Hope this helps :)
What are you trying to find?