haileyvaldiviez5698 haileyvaldiviez5698 14-02-2024 Mathematics contestada Let f:R→ (0,π/2) be a function defines by f(x) = cot-1 (x²+4x+a²-α²-α), complate set of values of α for which f(x) is onto, is A. [1-√17/2,1+√17/2]B. (-[infinity], 1-√17/2] ∪ [1+√17/2,[infinity])C. (1-√17/2,1+√17/2)D. None of these
