anonymous
  • anonymous
HELP WILL MEDAL!
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
he table shows the outputs y for different inputs x: Input (x) 2 4 6 8 Output (y) 1 2 3 4 Part A: Do the data in this table represent a function? Justify your answer. (3 points) Part B: Compare the data in the table with the relation f(x) = 3x – 10. Which relation has a greater value when x = 8? (2 points) Part C: Using the relation in Part B, what is the value of x if f(x) = 80? (5 points)
denonakavro
  • denonakavro
Yes they do represent a function because it is y= 1/2x
anonymous
  • anonymous
They do because the x values or the domain doesn't repeat?

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denonakavro
  • denonakavro
B) If we plug in 8 to y=1/2x then we get 4, if we plug it in to 3x-10 we get 14 so ....
denonakavro
  • denonakavro
Yes also because it does not repeat
anonymous
  • anonymous
Alright
anonymous
  • anonymous
so the data in the equation has more value?
denonakavro
  • denonakavro
for B yes the 3x-10 has greater value
denonakavro
  • denonakavro
C) if y=80 and the starting equation was y=1/2x Then we have to multiply 80 by 2 and we get x= 160
anonymous
  • anonymous
Sweet, thank you!!

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