Help and explain pleaseeeeeeee!!!!!

Answer:
The choose (a)
2x+1
Step-by-step explanation:
f(g(x)) = 2(x-3)+7
=2x-6+7
=2x+1
Answer:
2x+1
Step-by-step explanation:
We know that g(x)= x-3
So f(g(x))= f(x-3)
We put it in the equation :
f(x-3)= 2(x-3) +7 = 2x-6+7 = 2x +1