1) When x= 3 ==> y = 5
When x =6 ==> y = 2.5
When x = 12 => y = 1.25
We notice when x increases, y decreases, so it's an INVERSE variation
2) When x= 4 ==> y = 1
When x =8 ==> y = 2
When x = 16 => y = 4
We notice when x increases, y also increases, so it's an DIRECT variation