Answer:
Step-by-step explanation:
DE given is
y''+8y'+15y=0, y(0)=0, y'(0)=1
Take Laplace on the DE
We get

Simplify to get
Y(s) = ![\frac{1}{2}[ {\frac{1}{s+3} -\frac{1}{s+5} }]](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%5B%20%7B%5Cfrac%7B1%7D%7Bs%2B3%7D%20-%5Cfrac%7B1%7D%7Bs%2B5%7D%20%7D%5D)
Take inverse

The answer to your question is C
Answer:
The first or third one
Step-by-step explanation:
Associative property is where you can switch the place of the digits and it still have the same answer in the end.
Answer:
Dean and Candace
Step-by-step explanation:
It's the first one because the other three go pasted -6 which would make the problem not true.