For regions where f ''(x) is positive, the function is concave up; where f ''(x) is negative the function is concave down. So, looking at the graph of f '(x), wherever slope is positive, you've got a positive second derivative and the function is concave up.
U-Meleni was a part of a group of Artists conducting workshops on spoken word and creative writing showing how it can be used to empower and create change. U-Meleni then travelled to ZIMBABWE for three weeks ( Aug 13-Sept 2, 2006) to spend time with family and friends.
It is used largely in Greek. Eleni is a diminutive of Eleanor (English). Eleni is also a variant of Helen (English) in the Greek language. Eleni is not often used as a baby girl name.It is not listed within the top 1000. In 2012, out of the family of girl names directly related to Eleni, Eleanor was the most commonly used.leni is not often used as a baby girl name. It is not listed within the top 1000. In 2012, out of the family of girl names directly related to Eleni, Eleanor was the most commonly used.