6. 5. That’s the answer hope it helps
Answer:
3>=3
Step-by-step explanation:
2(4+2x)>=5x+5
distribute the 2: 8+4x>=5x+5
8>=x+5
3>=x
Answer:
21
Step-by-step explanation:
Try using this notation: a(n) and not an.
an=n^3-2n becomes a(n) = n^3 - 2n.
Then a(1) = 1^3 - 2(1) = 1 - 2 = -1
a(2) = 2^3 - 2(2) = 8 - 4 = 4
a(3) = 3^3 - 2(3) = 27 - 6 = 21