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inysia [295]
3 years ago
12

If ƒ = {(2, -4), (2, 7) (3, 5), (4, -1), (8, 7)}, then ƒ is a function.

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
7 0

Answer:

F is not a function

Step-by-step explanation:

There is more than 1 corresponding y coordinate per x coordinate

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ch4aika [34]
3 log 2x = 4

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Can someone pls help need it ASAP and can you pls explain in full detail how to do it
GenaCL600 [577]

Answer:

x= 1 , y=4

Step-by-step explanation:

x-y= -3 => Equation 1

x+5y= 21 => Equation 2

<u>Substitut</u><u>ion</u><u> </u><u>Method</u><u>:</u>

<u>Substitu</u><u>te</u><u> </u><u>Equation</u><u> </u><u>1</u>=>

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Put x=y-3 in Equation 2:

x+5y=21

( y-3)+5y=21

y-3+5y=21

6y-3=21

6y=21+3

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y=24÷6

y=4

Put y=4 in Equation 1:

x-y= -3

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Hope this helps :)

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2 years ago
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Answer:

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Step-by-step explanation:

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zavuch27 [327]

Answer:

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