Answer:
Part A:
3: 5
4: 9
5: 13
6: 17
7: 21
8: 25
9: 29
Part B:
The age, in months is your x and weight is your y. Just graph it normally how you would. First coordinate being (3,5) then (4,9).
Part C:
Cant insert a graph to this. Try looking up a linear graph to reference.
Part D:
10: 33
11: 37
12 (one year): 41
Step-by-step explanation:
For part A and D, just keep adding 4 to the pounds.