For every twice differentiable function f : R  [–2, 2] with (f(0))2 + (f(0))2 = 85, which of the following statement(s) is (are) TRUE?(A) There exist r, s  R, where r (B) There exists x0  (–4, 0) such that |f(x0)|  1(C) xlim f(x) 1(D) There exists   (–4, 4) such that f() + f() = 0 and f()  0

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