It appears that you're working on a set of function composition problems in the ALEKS platform, with expressions like $(g \circ f)(3)$, $(g \circ f)(2)$, and others. To help solve these problems, I would need the definitions of the functions $f$, $g$, and possibly $r$, depending on the problem set.

Could you provide the specific definitions for the functions $f(x)$, $g(x)$, and $r(x)$ if you have them available? With those, I can guide you through how to approach each part of the question set.

Let me know if you would like details or have any questions!

Here are some questions that could help you think through these problems:

1. What is the definition of function composition?
2. Do you know how to compute $(g \circ f)(x)$ for a given value of $x$?
3. Are there any specific function properties that you're unsure about?
4. Are the functions $f$, $g$, and $r$ simple polynomials or something else?
5. What steps would you take to evaluate $(f \circ g)(4)$ based on the function definitions?

Tip: When solving composition problems, always start by finding the output of the inner function and using it as the input for the outer function.