Answer:
The graph of g(x) is the graph of f(x) translated 2 units left.
Explanation:
The given expression is

This equation states that function
is a transformation of function
, specifically, the function is being shifted 2 units left wards, because they are adding 2 units to x-variable.
Therefore, the right answer is the last choice, because it's specifying the correct transformation that defines
.