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%.
Symptoms of post-traumatic stress disorder (PTSD). The symptoms of post-traumatic stress disorder (PTSD) can have a significant impact on your day-to-day life.In most cases, the symptoms develop during the first month after a traumatic event.e-experiencing. Re-experiencing is the most typical symptom of PTSD. This is when a person involuntarily and vividly re-lives the traumatic event in the form of: 1  flashbacks. 2  nightmares. 3  repetitive and distressing images or sensations. 4  physical sensations â such as pain, sweating, nausea or trembling.