1. The problem asks to identify the graph representing the inequality $x \leq 1$. 2. The inequality $x \leq 1$ means all values of $x$ that are less than or equal to 1. 3. On a number line, this is shown as a shaded region extending to the left from 1, including the point 1 itself. 4. A filled circle at 1 indicates that 1 is included (\leq means less than or equal to). 5. Therefore, the correct graph is the one with an arrow pointing left starting at 1 and a filled circle on 1. 6. Among the given options, Graph 1 (top-left) matches this description. Final answer: Graph 1 (top-left) represents $x \leq 1$.