Answer:
40: 1, 2, 4, 5, 8, 10, 20, 40
150: 1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150
Step-by-step explanation:
1) 10
2) 22
3) 28
4) 17.5
5) 22
6) 13.5
7) 19.5
8) 11
9) 7.5
To add or subtract functions, just add or subtract the values at each point where it makes sense. If the functions are given by formulas, you can just add or subtract the formulas (it doesn't matter whether you plug in values before or after).
