Answer:
All Real Numbers except for 4
Explanation:
Objective: Specify domain and range of a function.
The equation is a linear equation. A linear equation range is all real numbers. However x cannot equal 1 so let plug in x to find where the y value CANT be.
![f(1) = 1 + 3 = 4](https://img.qammunity.org/2022/formulas/mathematics/high-school/wsh8hs0jvfyvx6k62v10ajrtlza3bh502r.png)
So the range is
All Real Numbers except for 4.