In this problem, 
and its graph are given. Use the graph of 
to determine where 
is concave down. 
Definitions:
Theoretical Perspective
A specific point of view in sociology and other sciences, offering a set of assumptions about the way societies or other systems work.
Functionalist
Pertaining to the perspective in sociology that views society as a complex system whose parts work together to promote solidarity and stability.
MarxIST-Feminist
A theoretical approach combining Marxist and feminist theories to examine the ways in which women are oppressed through systems of capitalism and patriarchal structures.
Constructivist
Relating to an educational philosophy that argues learners construct knowledge through their experiences and interactions with the world.
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