Since w#Z and w are positive, we need to take the value of w such that w#z or w^3z(8 - w^2) is positiv
For any numbers w and z, w#z = w^3z(8 - w^2). If both z and w#z are positive numbers, which of the following could be a value of w?

1: 9
2: 3
3: 0
4: −2
5: −9