$$\text { The graph of the function } f \text { follows. Choose the graph of } y = \frac { 1 } { 2 } f ( x - 1 ) \text {. }$$

$$\text { The graph of the function } f \text { follows. Choose the graph of } y = \frac { 1 } { 2 } f ( x - 1 ) \text {. }$$