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NDA 2016
Exam
NDA
Year
2016
Subject
Mathematics
Chapter
Differentiation

NDA 2016 · Mathematics · Differentiation

Consider the function f(x)=|x^2-5 x+6| What is f "(2.5) equal to?

Consider the function f(x)=∣x2−5x+6∣\mathrm{f}(\mathrm{x})=\left|\mathrm{x}^2-5 \mathrm{x}+6\right| What is f "(2.5) equal to?

Options

  1. A–3
  2. B–2
  3. C0
  4. D2

Correct answer

B. –2

Step-by-step solution

f′′(2.5)=−2f^{\prime \prime}(2.5)=-2
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