1. 2 12.56, 3 28.26, 4 50.24
2. -4,2 -10; 0,2 -2; 4,2 6
3. 2,1 20; -1,3 2.5; -4,4 32
Answer:
20
2.5
32
Step-by-step explanation:
10x^2 / (y+1)
10(2)^2 / (1+1)
10(4) /2
40/2
10(-1)^2 / (3+1)
10(1) / 4
10/4
10(-4)^2 / (4+1)
10(16) /5
160/5
