Algebra-1

Question Analysis
This question tests the student's ability to apply the concept of subtracting functions in a real-world context. It requires understanding of like terms and basic algebraic manipulation.

Key Concept Explanation
Subtracting functions involves finding the difference between two functions, typically denoted as . The key is to combine like terms after distributing the negative sign.

Step-by-step Solution
1. Start with the given functions: and
2. Write the expression for the net profit function: