[Solved] Which of the following is not true regarding a concave function? A) It is bowl-shaped down. B) It is relatively easy to maximize. C) It has multiple local maxima. D) It has a single global maximum. Network Of Friends: A connected group of friends who offer social support, companionship, and a sense of belonging. Organized Group Activities: Planned events or gatherings designed for groups to engage in specific tasks or interests together, often with structured goals or objectives. Erotic Orientation: The preferred term for describing an individual's pattern of emotional, romantic, and sexual attraction to others. Homosexual People: Individuals who are sexually attracted to members of the same gender.