Answer:
Domain : { -3, 0, 3}
Range : { 1 , 1 , 1 }
Function : These set of ordered pairs are functions as every x-value has only one y-value associated with it.
16.
1/2= 0.5 and it takes 16 months to get to 8 inches.
0.5x16=8
i believe it is 1/3. but check other sources as well.