Answer:
2x+1
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
The choose (a)
f(g(x)) = 2(x-3)+7
=2x-6+7
=2x+1
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