Answer:
[tex]y=x^2[/tex]
Step-by-step explanation:
The given relation is
D={(x,y):(3,9),(5,25),(-2,4)}
We can see that;
[tex]3\to 3^2=9[/tex]
[tex]5\to 5^2=25[/tex]
[tex]-2\to (-2)^2=4[/tex]
Hence in general,
[tex]x\to x^2[/tex]
Therefore the equation for the relation is;
[tex]y=x^2[/tex]
