binations of Functions; Question 6, 2.6.C11 Fill in the blanks. The function $(f \circ g)(x)$ is found by replacing each occurrence of $x$ in the equation for with The function $(f \circ g)(x)$ is found by replacing each occurrence of $x$ in the equation for $\square$ with

Step 1 ：The function $(f \circ g)(x)$ represents the composition of two functions, $f$ and $g$. In this operation, we first apply the function $g$ to $x$, and then apply the function $f$ to the result.

Step 2 ：To find $(f \circ g)(x)$, we replace each occurrence of $x$ in the equation for $f$ with $g(x)$.

Step 3 ：Final Answer: The function $(f \circ g)(x)$ is found by replacing each occurrence of $x$ in the equation for $f$ with $g(x)$. Therefore, the answer is \(\boxed{f}\).