anonymous
  • anonymous
Can I have help? Will medal and fan
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
The following function shows the relationship between the selling prices and profit P(s), in dollars, for a company; P(s) -20s^2 + 1,400 - 12,000
anonymous
  • anonymous
Which statement best describes the intervals where he company profit increases, decreased or records a maximum?
iYuko
  • iYuko
s is the independent variable. Negative a means the parabola opens down. The vertex is at: s = -b/(2a) = -1400 / -40 = 35 Since the parabola open downward P(s) is a maximum at s=35 From left to right the function increases to that maximum at s=35 then decreases after so it increases from 10 to 35 and decreases from 35 to 100

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iYuko
  • iYuko
@lolbug Give me answer options And I'll tell you.
iYuko
  • iYuko
s=35 is the maximum.
anonymous
  • anonymous
A; it is least when the selling price is $30 B: it is greatest when the selling price is 30 C: it decreases when the selling price increases from $10 to $35 D: it increases when the selling price increases from $10 to $35
anonymous
  • anonymous
@iYuko
iYuko
  • iYuko
It is greatest when the selling price is $35.
anonymous
  • anonymous
So D?
iYuko
  • iYuko
It is greatest when the selling price is $30.
iYuko
  • iYuko
sorry. :)
anonymous
  • anonymous
B?
maddie82502
  • maddie82502
yea its b
iYuko
  • iYuko
What one is It is greatest when the selling price is $35? I don't have to tell you that do I?
iYuko
  • iYuko
Please click best response -----------------------------------^^^^^^^^^

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