anonymous
  • anonymous
[9.01] Determine whether the graph of y = 3x2 − 7x + 2 opens up or down and whether it has a maximum or minimum point.
Mathematics
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
The minimum is obtained by completing square, then then making the squared quantity 0, basically it is f( -b/2a). The maximum is obtained by substiting the limits of the interval. Whatever gives you the maximum is the maximum
anonymous
  • anonymous
i got up and maximum is that right
anonymous
  • anonymous
Where :/

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anonymous
  • anonymous
Basically is [9, .01] an interval?
anonymous
  • anonymous
downward maximum
LynFran
  • LynFran
If u do 2nd derivative test u get a minimum point \[x >0\]
LynFran
  • LynFran
and the graph open upward

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