Respuesta :

The answer would be B.
For these, you plug in 8 where there ia a variable. 2(8)-1=15
Here, O(8) = 2(8) - 1 = 16-1 = 15
Also, O(7) + 2 = 2(7) -1 + 2 = 14+1 = 15

In short, Your Answer would be Option B and D

Hope this helps!