Respuesta :
9y^1 - y^0....it is not necessary to put ^1
9y - y^0...when y = -8
9(-8) - 1......anything to the ^0 = 1
-72 - 1 =
-73 <==
9y - y^0...when y = -8
9(-8) - 1......anything to the ^0 = 1
-72 - 1 =
-73 <==