For an input forcing function, X(t) = 2t², the Laplace transform of this function is

A. $$\frac{2}{{{{\text{s}}^2}}}$$

B. $$\frac{4}{{{{\text{s}}^2}}}$$

C. $$\frac{2}{{{{\text{s}}^3}}}$$

D. $$\frac{4}{{{{\text{s}}^3}}}$$

Answer: Option D