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Author Question: Which function is concave? a.f(x) = ln x b.f(x) = e-x c.f(x) = 2x2 - x d.f(x) = ... (Read 65 times)

dakota nelson

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on: Aug 1, 2018
Which function is concave?
  a.f(x) = ln x
  b.f(x) = e-x
  c.f(x) = 2x2 - x
  d.f(x) = ex

Question 2

If f(x) is unimodal then which of the following is NOT a step in the search algorithm used to solve
 

max italicf(x)
  ?


 

  a.Evaluate f(x) at two new points.
  b.Evaluate f(x) at two judiciously chosen points x1 and x2.
  c.Determine the relationship between f(x1) and f(x2) and find a reduced interval of uncertainty.
  d.Evaluate f(x) at a and b.


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dawsa925

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Reply #1 on: Aug 1, 2018
Answer to Question 1

correct: a

Answer to Question 2

correct: d


dakota nelson

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  • Posts: 604
Reply 2 on: Aug 1, 2018
:D TYSM

phuda

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  • Posts: 348
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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