Question $15(1$ point$)$

The concentration of a medicine in the bloodstream after $t$ hours of taking it is given by the equation $C(t)=\frac{0\mathrm{.}1t}{(t3{)}^r}$ where $t$ is the elapsed time in hours measured from $11$:$00$ am$.$

How much is in the bloodstream at $11$:$00$ am$.?$

$0\mathrm{.}0056m\frac{g}{L}$

$0\mathrm{.}00625m\frac{g}{L}$

$0\mathrm{.}0053m\frac{g}{L}$

$0m\frac{g}{L}$