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KiRa [710]
4 years ago
6

Stephanie took 9 pages of notes during the 6 hours of class she had last week. If she took notes at the same rate. How many minu

tes did it take her to write every page?
Mathematics
1 answer:
Sav [38]4 years ago
8 0
6 hours x 60 minutes = 360 minutes.
360 minutes / 9 pages = 40 minutes
So 40 minutes per page
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Average rate of change:

The average rate of change of a function f(x) in an interval [a,b] is given by:

A = \frac{f(b)-f(a)}{b-a}

In this question:

f(x) = 4x - 2, b = 4, a = 2

Thus:

f(b) = f(4) = 4(4) - 2 = 16 - 2 = 14

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Average rate of change:

A = \frac{f(b)-f(a)}{b-a}

A = \frac{14-6}{4-2}

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