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goldfiish [28.3K]
3 years ago
9

Which relation is also a function?

Mathematics
2 answers:
Goshia [24]3 years ago
8 0

Answer:

D is a function

................

irina [24]3 years ago
8 0

Answer:

D

Step-by-step explanation:

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A heated piece of metal cools according to the function c(x) = (.5)x − 9, where x is measured in hours. A device is added that a
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In both cases, we have cooling.  We can add together the 2 functions describing this cooling:  z(x) = 0.5x - 9 - [-x-2] = 0.5x - 9 + x + 2, or

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Provided that this is correct, all we have to do now is to subst. 5 for x:

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3 years ago
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Answer:

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^-^ your welcome

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4 years ago
What's x + 2y<br><br>( x = 2, y = 1 )​
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Convert 1,230 minutes to hours.
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