Solve the system of inequalities by graphing the solution region. 
Definitions:
Brainstem
The structure in the brain that connects the spinal cord to the forebrain and cerebrum, controlling vital functions such as breathing and heart rate.
CNS
Stands for Central Nervous System, which comprises the brain and spinal cord, serving as the primary processing center for the entire nervous system.
Arachnoid Granulations
Small protrusions of the arachnoid (the middle layer of the meninges) through the dura mater; they absorb cerebrospinal fluid into the venous system.
CSF
Cerebrospinal Fluid, a clear fluid found in the brain and spinal cord that cushions and protects the central nervous system.
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