Blank $2,13\mathrm{.}14$

Question $8$

The amount of Sertraline $($an anti$-$anxiety medication$)$ left in an average adult's body after taking each does can be modeled by the equation $y=25e^{-0\mathrm{.}029x},$ where $x$ represents the number of hours since taking a dose. How much Sertraline is predicted to be left in an average adult's body $8$ hours from taking a dose?

$19\mathrm{.}82$ mg

$17\mathrm{.}38$ mg

$22\mathrm{.}51$ mg

$25$ mg

Question $9$