As shown / highlighted / illustrated / detailed / can be seen in Fig. 1, the value of …
The value of X is greater when Y = 2 (Fig. 1 / Eq. 2)
The results on X can be seen / are compared / are presented in Fig. 1.
From the graph / photo / chart / histogram we can see / note that …
It can be seen in / is apparent from Fig. 1 that …
We observe / note from Table 1 that ..
The graph above / below / to the left / to the right shows that …