anonymous
  • anonymous
The graph of y = f ′(x), the derivative of f(x), is shown below. List the intervals where the graph of f is concave down
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
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anonymous
  • anonymous
Answer choices (–4, –2) U (2, 4) (–2, 2) (–4, 0) (0, 4)
Jack1
  • Jack1
concave down: slope = decreasing

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anonymous
  • anonymous
yep and then increasing
anonymous
  • anonymous
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Jack1
  • Jack1
|dw:1439304402447:dw|
Jack1
  • Jack1
|dw:1439304436977:dw|
Jack1
  • Jack1
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anonymous
  • anonymous
yep i know i just cant picture the concavity
Jack1
  • Jack1
sor wherever the slope is decreasing = concave down
anonymous
  • anonymous
!!!
anonymous
  • anonymous
you should have started with that :P
anonymous
  • anonymous
(–4, –2) U (2, 4)
Jack1
  • Jack1
understanding comes from bringing the whole picture into clarity... if i started with that u would have the answer but not the understanding ;P
anonymous
  • anonymous
thanks for the help!
Jack1
  • Jack1
np, gud luck ;)
triciaal
  • triciaal
when dy/dx = 0 gives the x values for the max and min plug in y to get the value "short cut" use the 2nd derivative if positive then you have a min if negative you have a max max concave down and min concave up

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