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Makovka662 [10]
3 years ago
8

Which answer correctly shows how to find the mean of the {3,6,9,12,15} data set?

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
3 0

Answer:

9

Step-by-step explanation:

1. mean = sum of all data values divided by total number of data values

\frac{3+6+9+12+15}{5} = \frac{45}{5} = 9

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2 years ago
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mamaluj [8]

Answer:

Option c. Reflection across the x-axis and vertical stretch by a factor of 7

Step-by-step explanation:

If the graph of the function y = cf(x) represents the transformations made to the graph of y = f(x) then, by definition:

If 0 then the graph is compressed vertically by a factor a.

If |c| > 1 then the graph is stretched vertically by a factor a.

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therefore it is true that

c = -7\\\\|-7|> 1\\\\-7.

Therefore the graph of y = secx is stretched vertically by a factor of 7 and is reflected on the x-axis

Finally the answer is Option c

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3 years ago
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7 0
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