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.
In Greek mythology, Melinoe is the goddess of ghosts. She is the daughter of Persephone and Hades. She lives in the Underworld. She has a pale complexion and a short temper and takes after her father in almost every way, except from her beauty that she gets from her mother Persephone. Melinoe has the powers to turn any mortal insane by her phantoms. Little is known about Melinoe, but ancient Greeks used to conduct rituals and acts of praises to her as a sign of devotion and to garner protection from ghosts. This short article about religion can be made longer.