Function Graph Analysis: Determining Continuous Decrease Behavior

To solve this problem, we'll begin by examining the graph of the function provided:

• Step 1: Observe the graph from left to right along the x-axis.
• Step 2: Look for any intervals where the function value (y-coordinate) does not decrease as the x-value increases.
• Step 3: Pay special attention to segments where the graph might look horizontal or rising.

Upon inspecting the graph, we find:

- There are sections where the function's y-values appear to remain constant or potentially rise as the x-values increase. Specifically, even if the function decreases in major portions, any interval where it doesn't means the function cannot be classified as decreasing throughout.

Thus, the function does not strictly decrease on the entire interval shown. Therefore, the solution to the problem is No.