Question:

Let f (x) = min { x, $x^2$ } for every real number of x, then

Updated On: Jan 18, 2023
  • h is continuous for all x
  • h is differentiable for all x
  • h ' (x) = 1, $\forall$ x > 1
  • h is not differentiable at two values of x
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The Correct Option is D

Solution and Explanation

From the figure,
h (x) is continuous all x, but hix) is not differentiable at
two points x = 0 and x = l . (due to sharp edges). Also
h ' (x) = 1, $\forall$ x > 1
Hence, (a), (c) and (d) is correct answers,
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