Please help! transformations questions

Option (C)

Step-by-step explanation:

y = g(x) is obtained by reflecting the graph y = f(x) in the y-axis.

Let the function g(x) = x + 7

If the graph of function g(x) is reflected across y-axis,

g(x) = -x + 7 [Since, x-coordinates of the points lying on the graph of the transformed function gets reversed with the sign notation]

Therefore, f(x) = g(-x)

Option (C) will be the answer.

Step-by-step explanation: