Определите значение k по графику функции y = k/x, изображённому на рисунке.

The graph shows a hyperbola. We can pick a point from the graph to find k. For example, the point (1, 2) lies on the graph. Substituting x=1 and y=2 into the equation y = k/x, we get 2 = k/1, which means k = 2.