The invest could probably be maybe 8% for a question
Answer:
Step-by-step explanation:
Hope this helps
click link
The answer is -5. Hope it helps.
The answer is 9 : 5
36:20
18:10
9:5
Y = t*e^(-t/2)
y' = t' [e^(-t/2)] + t [e^(-t/2)]' = e^(-t/2) + t[e^(-t/2)][-1/2]=
y' = [e^(-t/2)] [1 - t/2] = (1/2)[e^(-t/2)] [2 - t] = - (1/2) [e^-t/2)] [t -2]