Determine if the given relation is also a function?
Stacey Warren - Expert brainly.com
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What is the common "function test" we can use to check?
Idk, Functions are seriously throwing me for a loop right now.
Well, we can use something called the vertical line test... Have you heard of this?
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I've heard of it but I can't recall exactly what it is.
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.
Okay so it is a function.
That is correct
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.