Respuesta :

n when t=0 is 8800*e^0=800 rate at which it is increasing dn/dt=800*0.13t*e^0.13t=104*e^0.13t rate of increase at t=15 dn/dt=104*e^(0.13*15)=

I couldn't figure out dn/dt I hope I at least narrowed it down a bit. :)