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siniylev [52]
2 years ago
5

John says the transformation rule (x, y) > (x + 4, y + 7) can be used to describe the slide of the pre-image (4, 5) to the im

age (0, –2). What was his error?
Mathematics
1 answer:
erik [133]2 years ago
5 0

If he used the rule (x + 4, y + 7) then pre-image (4, 5) would result in image (4 + 4, 5 + 7) = (8, 12).  

He should have used the rule (x - 4, y - 7)


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The given equation is:

y  =  4x  +  2

The domain is the set of all of  the positive even numbers  less than 10.

That is, x = {2, 4, 6 ,8}

To get the range, find the values of y for x = 2, 4, 6, and 8

For x = 2:

y = 4(2)  +  2

y  =  8  +  2

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For x = 4:

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For x = 6:

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For x = 8:

y = 4(8)  +  2

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y   =  34

Therefore, the range = {10, 18, 26, 34}

Learn more here: brainly.com/question/18479953

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