anonymous
  • anonymous
Determine if the given relation is also a function? {(7,-6),(-1,6),(8,-2),(0,4)}
Mathematics
schrodinger
  • schrodinger
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baldymcgee6
  • baldymcgee6
What is the common "function test" we can use to check?
anonymous
  • anonymous
Idk, Functions are seriously throwing me for a loop right now.
baldymcgee6
  • baldymcgee6
Well, we can use something called the vertical line test... Have you heard of this?

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anonymous
  • anonymous
I've heard of it but I can't recall exactly what it is.
baldymcgee6
  • baldymcgee6
Well, if you plot those points on a graph, then move a vertical line across the graph.. If the vertical line touches more than one point at any given time, it is NOT a function.
anonymous
  • anonymous
Okay so it is a function.
anonymous
  • anonymous
?
baldymcgee6
  • baldymcgee6
That is correct
anonymous
  • anonymous
Thank You
calculusfunctions
  • calculusfunctions
A function is an association between two or more variables, such that for each and every value of the independent variables, there exists exactly one value of the dependent variable, in a specified set called the domain of the function. A function with a single independent variable, is called a single variable function. A relation is a set of ordered pairs (x, y), in a single variable relation where the x is the independent variable in a set called the domain, and y is the dependent variable in a set called the range. In order for a relation to be a function of a single independent variable, for every x there must be one and only one y. @Needsomehelpplz

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