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)
x
lim f(x) 1


(D) There exists   (–4, 4) such that f() + f() = 0 and f()  0

Mineesh reddy , 7 Years ago

Grade 12