If $$ p(x) = 3x^3 - 2x^2 + x $$ and $$ q(x) = -x^3 + 4x^2 - ...

Question Analysis
This question evaluates the student's ability to add two cubic functions and simplify the result.

Key Concept Explanation
The sum of two functions, , is found by adding their respective outputs for the same input value.

Step-by-step Solution
1. Start with the given functions: and
2. Add the functions: