Moderate# Finding a Point on a Circle

SATMAT-1VKXCJ

Circle $C$ is defined by the equation: $ { (x+1) }^{ 2 }+{ (y-3) }^{ 2 }=\frac { 16 }{ 9 } $.

If $(a,b)$ is a point which lies on the graph of circle $C$, then which of the following is a possible value for $a$?

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