The graph of the function $y = 3 - x$ crosses the X-axis at $x = 3$.

Would you like further analysis on this or any additional related calculations?

Here are some related questions:

1. What is the slope of the function $y = 3 - x$ and how does it affect the graph?
2. How would the graph change if the function were $y = 3 - 2x$?
3. What are the implications of the X-axis crossing on the function's behavior?
4. How does this linear function compare to the previously analyzed function $y = 3^x - x^3$?
5. How would the crossing point shift if the function were $y = 5 - x$?

Tip: For linear functions, the X-axis crossing point is where $y = 0$. This is easily found by setting the equation equal to zero and solving for $x$.