In this problem, 
and its graph are given. Use the graph of 
to determine where 
is concave up. 
Definitions:
Principal
The head administrator of a school, responsible for overseeing the daily operations, staff, and well-being of students.
Noncustodial Parent
The parent who does not have legal physical custody of a child but may have visitation rights or pay child support.
Divorced
The legal dissolution of a marriage by a court or other competent body, officially ending the marital relationship.
Remarried
The act of entering into a new marriage after one or more previous marriages have ended due to divorce or death of a spouse.
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