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Lerok [7]
3 years ago
7

The graph below plots a function f(x):

Mathematics
2 answers:
Andreyy893 years ago
8 0

Answer:

-50

Step-by-step explanation:

The rate of change formula = f(b) - f(a) / b - a

f(b) = the end number (so basically 0 becuase the line ends on the point (3, 0))

f(a) = the start number (so basically 150 becuase the line starts on the point (0, 150)

b = the end time (so basically 3 becuase the line ends on the point (3, 0))

a = the start time (so basically 0 becuase the line starts on the point (0, 150)

--

sorry if that is confusing... moving on...

--

You would apply these numbers = 0 - 150 / 3 - 0 = -150 / 3 = -50

--

This is your rate of change

--

I hope this helped :)

Afina-wow [57]3 years ago
7 0
The average rate of change of a linear function is the slope of the line. Since we are given the following coordinates:
(0,150) and (3,0)
We can easily solve for the slope.
m = (y2 - y1) / (x2 - x1)
m = (0 - 150) / (3 - 0) = -50

Therefore, the average rate of change of the function in the three seconds is -50.
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You are reaching the price of MP3 players.Yiu found an average price of $58.80. One MP3 player cost $56 and another cost $62. Fi
tino4ka555 [31]

The price of third MP3 Player is $58.4

Further explanation:

Given

Price of first MP3 player= p1= $56

Price of second MP3 Player = p2= $62

Price of third MP3 Player=?

Average = X = $58.80

The formula for average is:

X =\frac{Sum}{No.\ of\ items}

We have 3 items.

Putting the values

58.80=\frac{56+62+p_3}{3}\\58.80*3=118+p_3\\176.4=118+p_3\\p_3=176.4-118\\p_3=58.4\ dollars

The price of third MP3 Player is $58.4

Keywords: Average, Sum

Learn more about average at:

  • brainly.com/question/10435836
  • brainly.com/question/4522984

#LearnwithBrainly

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3 years ago
The interquartile range of a data set is 10 units. What does this represent?
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2 years ago
Read 2 more answers
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