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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

Let f(x) = (x^2+x-1)/(x^2-x+1) , then the largest value of f(x) x ∈...

Let f(x)=x2+x−1x2−x+1f(x) = \frac{x^2+x-1}{x^2-x+1}, then the largest value of f(x)∀x∈[−1,3]f(x) \forall x \in [-1, 3] is:

Options

  1. A3/53/5
  2. B5/35/3
  3. C1
  4. D4/34/3.

Correct answer

B. 5/35/3

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