DarkBlueChocobo
  • DarkBlueChocobo
Assistance with functions please
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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DarkBlueChocobo
  • DarkBlueChocobo
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DarkBlueChocobo
  • DarkBlueChocobo
I know this is basically saying y(x) =
DarkBlueChocobo
  • DarkBlueChocobo
So say we take a coordinate used for the table of values from II if y(x) does that mean if we plug in 1 for y and then solve the problem should we get the same coordinate ? I am confused how to represent this

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anonymous
  • anonymous
It's asking you which of the three are functions. You don't actually have to plug anything in.
DarkBlueChocobo
  • DarkBlueChocobo
Well i was just giving an example if the equation was there
anonymous
  • anonymous
Functions will pass the vertical line test when they're graphed and never have the same input listed twice when given a list of points. So that's how you'd evaluate them
DarkBlueChocobo
  • DarkBlueChocobo
so with that being said then, so 3 would be alright then? Since no inputs are repeating?
anonymous
  • anonymous
yes
anonymous
  • anonymous
inputs also don't repeat for II
DarkBlueChocobo
  • DarkBlueChocobo
Yes just saw that as well so then to test I you would just fill in your own table of values and test and then graph to test?
anonymous
  • anonymous
yes you can do that
DarkBlueChocobo
  • DarkBlueChocobo
actually. Since its a quadratic function it would be alright as well then?
anonymous
  • anonymous
correct
DarkBlueChocobo
  • DarkBlueChocobo
Whoop, Thank you much for explaining!
anonymous
  • anonymous
you're welcome

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