Respuesta :

Cytokine

f(a + 2) for f(x) = (3 + x) / (x - 3)

Substitute a + 2 for x in our equation

f(a + 2) = (3 + (a + 2)) / ((a + 2) - 3)

Combine like terms

f(a + 2) = (5 + a) / (a - 1).

This is as far as you can go.

C is the correct answer choice

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