anonymous
  • anonymous
The median home price in the United States over the period 2004-2009 can be approximated by P(t) = −5t2 + 75t − 30 thousand dollars (4 ≤ t ≤ 9) where t is time in years since the start of 2000.† Find P'(t) and P'(8) . P'(t) = -10t + 75 P'(8) = -5 What does the answer tell you about home prices? The median price of a home was decreasing at a rate of $_________ per year in ___________
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
campbell_st
  • campbell_st
solve f'(x) = 0 -10t + 75 = 0 t = 7.5 the maximum median house price occurred after 7.5 years. f(8) = -5 means that the rate of change in the median house price at t = 8 is -5 indicating the median house price has fallen
anonymous
  • anonymous
the last answer is 2008 and i believe you're missing a few zero's in the 2nd answer

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campbell_st
  • campbell_st
the -5 means - $5000per year
anonymous
  • anonymous
^
anonymous
  • anonymous
ohhh thats right cause it was in thousands of dollars
anonymous
  • anonymous
i don't like the way they did that lol they should have just made the output come out in thousands instead of saying thousands of dollarsat thend -.-

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