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Black Advanced Problems in Mathematics
Exam
Black Advanced Problems in Mathematics
Subject
Mathematics
Chapter
Quadratic Equation

Black Advanced Problems in Mathematics · Mathematics · Quadratic Equation

In above problem, the range of f(x) x ∈ [-1, 1] is:

In above problem, the range of f(x)∀x∈[−1,1]f(x) \forall x \in [-1, 1] is:

Options

  1. A[−1,3/5][-1, 3/5]
  2. B[−1,5/3][-1, 5/3]
  3. C[−1/3,1][-1/3, 1]
  4. D[−1,1][-1, 1].

Correct answer

D. [−1,1][-1, 1].

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