As \(t \to 0^+\), \(h(t) \to \infty\), and \(h'(t) = \frac2t^2 - (1 + 2t)(2t)t^4 = \frac2t - 2(1 + 2t)t^3 = \frac2t - 2 - 4tt^3 = \frac-2t - 2t^3 < 0\), so decreasing. - Veritas Home Health