If 4 → 3, 10 → 6, 7 → 4.5, then what is the formula for x → ?
4  →  3  = 


10  →  6  = 


7  →  4.5  = 


x  → 

= 

If 4 → 3, 10 → 6, 7 → 4.5, then what is the formula for x → ?
4  →  3  = 


10  →  6  = 


7  →  4.5  = 


x  → 

= 
