Problem Solving (PS) | If g(x)= x^2 – 4bx + 9b^2, where b is any positive number, then

If \(g(x) = x^2 – 4bx + 9b^2\), where \(b\) is any positive integer, then which of the following must be true

A.) \(g(x) < -b\)

B.) \(g(x) < 0\)

C.) \(0 < g(x) < 4b\)

D.) \(g(x) ≥ 4b\)

E.) \(g(x) ≥ 5b\)

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