If u, v, and w are integers, is u > 0 ?

[BTGmoderatorDC]

If u, v, and w are integers, is u > 0 ?

(1) u = v^2 + 1
(2) u = w^4 + 1


OA D

Source: GMAT Prep

[swerve]

If u, v, and w are integers, is u > 0 ?

(1) u = v^2 + 1
(2) u = w^4 + 1


OA D

Source: GMAT Prep

1) \(u = v^2 + 1 \Rightarrow u = \text{non-negative} + 1 > 0\). Sufficient \(\Large{\color{green}\checkmark}\)
2) \(u = w^4 + 1 \Rightarrow u = \text{non-negative} + 1 > 0\). Sufficient \(\Large{\color{green}\checkmark}\)

Therefore, D