anonymous
  • anonymous
A wrestling match has eliminations each round. The table below shows the number of wrestlers in each of the first 4 rounds of the tournament: Round (x) 1 2 3 4 Wrestlers f(x) 64 32 18 9 Compute the average rate of change of f(x) from x = 1 to x = 4 and identify the meaning of that rate. A)55; there were 55 fewer wrestlers between rounds 1 and 4 B)3; there were 3 rounds between rounds 1 and 4 C)negative fifty five over three; on average, there were 55 fewer players for every 3 rounds D)negative three over fifty five; on average, there were 3 fewer players for every 55 rounds
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
@muscrat123 HEY CAN YOU HELP ME PLEASE
muscrat123
  • muscrat123
@campbell_st
muscrat123
  • muscrat123
WHY DO U KEEP TAGGING ME AFTER I SAY I DONT KNOW HOW TO ANSWER THE QUESTION????

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More answers

anonymous
  • anonymous
i sorry i dont see you comment
muscrat123
  • muscrat123
if im not sure, I WILL NOT ANSWER. i dont want to give anybody an incorrect answer
muscrat123
  • muscrat123
i recommend @horsegirl27 @dan815 @jim_thompson5910 @misssunshinexxoxo @campbell_st and @nerlineg
campbell_st
  • campbell_st
average rate of change is the slope of the line use the points (1, 64) and (4, 9)
anonymous
  • anonymous
yup campbell is right
anonymous
  • anonymous
yea so what i need to do next?
campbell_st
  • campbell_st
so what did you get as the slope...?
anonymous
  • anonymous
(1*64)(4*9)= 2304? is right?
anonymous
  • anonymous
i'm not good at math :(
campbell_st
  • campbell_st
slope = (change in y)/(change in x) sometimes referred to as slope = rise/run
anonymous
  • anonymous
slope is x2-x1/ y2-y1
campbell_st
  • campbell_st
so the points need to match for x and y slope = (64 - 9)/(1 - 4) what do you get
anonymous
  • anonymous
-18.3
anonymous
  • anonymous
?
campbell_st
  • campbell_st
so for your question its avg change = (change in wrestlers)/(change in rounds)
campbell_st
  • campbell_st
well why not leave it as a fraction.... seeing some of the answer choices are fractions
anonymous
  • anonymous
you have two points plug the x valule with the x vaule and y value with y
campbell_st
  • campbell_st
so as an improper fraction.. what do you thing the avg change of slope would be..?
anonymous
  • anonymous
i dont know :(
anonymous
  • anonymous
@campbell_st ???
anonymous
  • anonymous
are you there?
anonymous
  • anonymous
please i really need help on this
campbell_st
  • campbell_st
well you had a decimal value avg change = (change in wrestlers)/(change in rounds) = (64 - 9)/(1 - 4)
anonymous
  • anonymous
=-18.3?
campbell_st
  • campbell_st
can you give the answer as in improper fraction
anonymous
  • anonymous
how? i dont know how
campbell_st
  • campbell_st
what number is the change in wrestlers what number is the change in rounds...?
anonymous
  • anonymous
Round (x) 1 2 3 4 Wrestlers f(x) 64 32 18 9
campbell_st
  • campbell_st
change in wrestlers 64 - 9 = avg change = ------------------------------------ -------------- change in rounds 1- 4 = what do you think the missing numbers in the fraction are..?
anonymous
  • anonymous
-55/ 3
anonymous
  • anonymous
wrestlers= 55 rounds= -3
campbell_st
  • campbell_st
great so you are looking at choices C or D so read the choices and decide which should be your answer
anonymous
  • anonymous
-55/-3= 18.3
anonymous
  • anonymous
D?
campbell_st
  • campbell_st
but your answer choices don't contain a decimal... that's why I asked you to write it as an improper fraction.
campbell_st
  • campbell_st
so you are saying the avg change is \[avg ~change = \frac{-3}{55}\] is that the same as you answer above \[Avg~ change = \frac{-55}{3}\]
anonymous
  • anonymous
YES
campbell_st
  • campbell_st
well I Think you should choose C the avg change = -55/3
anonymous
  • anonymous
Yea, thank you so much! can you help me with one more?
anonymous
  • anonymous
Which of the following options is an equivalent function to f(x) = 3(2)3x? f(x) = 3(8)x f(x) = 24x f(x) = 27(8)x f(x) = 3(8x)
anonymous
  • anonymous
@Campbell_st
anonymous
  • anonymous
@nerlineg
anonymous
  • anonymous
make another post for that answer AND DONT FORGET TO TAG ME :)

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