Now let us look how to calculate average slope. Step 1: First of all we require an equation for which we want to calculate the average slope. We will write this equation in form of a function. Assume that equation is f(x) = x 2 + 2x â 1.
How Long Do Your Flashbacks Last. 1  A few minutes 29 vote(s) 60.4%. 2  A few hours 21 vote(s) 43.8%. 3  A day or so 3 vote(s) 6.3 4 %. A few days 6 vote(s) 12. 5 5%. A few weeks or longer 3 vote(s) 6. 3%.
Post-traumatic stress disorder (PTSD) happens after seeing or going through a traumatic event involving injury or death, such as an accident, rape, abuse, killing, natural disaster (like a fire, earthquake, or hurricane), or even experiencing a heart attack.ome forms of PTSD include hyper-vigilance, extreme fear of the event recurring, anger or irritability, and a tendency to be easily startled. PTSD is unlike simple shock, depression or stress, in the fact that the body and brain chemistry actually change with post traumatic stress disorder.