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Problem 9 - Entrance Test

If f(x) = x^2 - 4x + 4, what is f(-2)?

Correct: D

To find f(-2), we substitute x = -2 into the function f(x) = x^2 - 4x + 4. So, f(-2) = (-2)^2 - 4(-2) + 4 = 4 + 8 + 4 = 16.