An equation is formed of two equal expressions. The correct option is C.
<h3>What is an equation?</h3>An equation is formed when two equal expressions are equated together with the help of an equal sign '='.
The image of the two functions is given below. Since the solution of the two systems of equations is (-3,-4). Therefore, we can write f(–3) = g(–3).
Hence, the correct option is C.
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