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ciarra31
11.01.2021 •
Mathematics
there are 16 seats on a bus. the bus has an equal number of seats in each room. what is the number of seats that could be in each row?
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Ответ:
1.5 thousand owners per year.
Step-by-step explanation:
Number of car owners is represented by the function as
f(t) = 0.25t² - 0.5t + 3.5
Where 't' is time in years.
Now we have to find the rate of change of f(t) from t = 2 to t = 6
or![\frac{f(6)-f(2)}{6-2}](/tpl/images/0337/5108/4286f.png)
f(6) = 0.25 × 36 - 0.5 × 6 + 3.5
= 9 - 3 + 3.5
= 9.5
f(2) = 0.25 × 4 - 0.5 × 2 + 3.5
= 1 - 1 + 3.5
= 3.5
Now average rate of change
=![\frac{9.5-3.5}{6-2}](/tpl/images/0337/5108/76713.png)
= 1.5 thousand owners per year.