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oee [108]
3 years ago
9

Can someone do this and somewhat explain why they are or are not functions

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
3 0
Only 8 is not a function. it is not because there are 2 lines coming from the first domain elemenr
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8x - 2 = -9 + 7x what does x equal
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Answer:

x = - 7

Step-by-step explanation:

8x - 2 = -9 + 7x   (add 2 to both sides)

8x - 2 + 2 = -9 + 7x + 2

8x = 7x - 7           (subtract 7x from  both sides)

8x - 7x = 7x - 7 - 7x

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