anonymous
  • anonymous
well give medals but please explain and help ! PLZZ help A chess competition has eliminations each round. The table below shows the number of players in each of the first 5 rounds of the tournament: Round (x) 1 2 3 4 5 Players f(x) 256 128 64 32 16 Compute the average rate of change of f(x) from x = 1 to x = 5 and identify the meaning of that rate. −60; on average, there was a loss of 60 each round −240; on average, there was a loss of 240 each round 4; there were 4 rounds between rounds 1 and 5 240; there were 240 fewer players between rounds 1 and 5
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
@mertsj can you please help
anonymous
  • anonymous
@phi by any chance can you please help I really wanna understand it and not just get the answer
phi
  • phi
they ask about average rate of change that means find the change in y divided by the change in x (which by the way, is also the slope between 2 points)

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phi
  • phi
average change from x = 1 to x = 5 write the (x,y) pairs for when x=1 (y i.e. f(x) is 256) and when x=5 (and y is 16, according to the table) your two points are (1,256) and (5,16) find the "slope" between those two points.
anonymous
  • anonymous
Okay and i would use average rate of change to find it @phi
phi
  • phi
actually, I think of it the other way round: find the slope and that is the average rate of change. finding the slope is always change in y divided by change in x can you do that ?
anonymous
  • anonymous
okay so it would be 16/5 and 256/1 ?
phi
  • phi
from (1,256) and (5,16) pick out the y values: 256 -16 that is the change in y then do the x's (in the same order) 1-5 is the change in x
anonymous
  • anonymous
okay so y=240 x=-4
phi
  • phi
yes, now divide: change in y divided by change in x
anonymous
  • anonymous
-60 is the rate of change
phi
  • phi
yes. on average you lose 60 players each round
anonymous
  • anonymous
Thank you so much i really appreciate you explaining it then telling me the answer thanks!! @phi

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