If f(x) = (x + 1)/(2 - x), Evaluate f(5i) and if f(x) = (1 + 2x)/(x + 3), Evaluate f(4i)

For the following exercises, evaluate the algebraic expressions.
If f(x) = (x + 1)/(2 - x), evaluate f(5i).
If f(x) = (1 + 2x)/(x + 3), evaluate f(4i).

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