You are given the first derivative $A^{\text{'}}(t)=-t^{3}6t^2-7t.$ Determine which of the following intervals describe where the original function $A(t)$ is decreasing. Values have been rounded to two decimal places.

$(0\mathrm{.}71,3\mathrm{.}29)$

$(-,0)(1\mathrm{.}59,4\mathrm{.}41)$

$(-,0\mathrm{.}71)(3\mathrm{.}29,)$

$(0,1\mathrm{.}59)(4\mathrm{.}41,)$

Cannot determine decreasing intervals of $A(t)$