For g(x) = (x - 2)² + 5, the minimum value is:
A-5
B0
C2
D5
Answer & Solution
Correct answer: D. 5
In vertex form g(x) = a(x - h)² + k, the minimum (or maximum for a < 0) is k. Here a = 1 > 0, so minimum = k = 5 at x = h = 2.
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