Select the correct Answer for each question.
-Sketch the region bounded by the graphs of the given equations and find the area of their region. 
Definitions:
Simplify
The process of making a mathematical expression as simple as possible by performing all operations and reducing to the fewest terms.
Expression
A mathematical phrase that can contain numbers, variables, and operation symbols but doesn't have an equal sign.
Solve
To find the answer(s) or solution(s) to a mathematical problem or equation.
Expression
A combination of symbols and operators in mathematics that represent a quantity or a relation.
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