The second section of the domain is associated with the expression x + 4. The endpoint x = 2 is associated with the second and third sections of the domain. Since 5 = 5, there is not a discontinuity at x = -2. The first section of the domain is associated with the expression 5. The endpoint x = -2 is associated with the first and second sections of the domain. So, discontinuities could occur in the graph of the piecewise function at either, or both, of these points. In the given piecewise function, there are two shared endpoints of the domain sections: x = -2 and x = 2.
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