F(x) = |X² - 9| Has

Multiple Choice

f(x) = |x² - 9| has

A) no relative maximum and a relative minimum at x = 3
B) a relative maximum at x = 3 and no relative minimum.
C) relative minima at x = -3 and x = 3; a relative maximum at x = 0
D) relative maxima at x = -3 and x = 3; a relative minimum at x = 0
E) no relative extrema