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Unformatted text preview: The first coordinate (abscissa) in a linear equation corresponds to the domain in a function. The second coordinate (ordinate) in a linear equation corresponds to the range in a function. Differences between functions and linear equations are: Linear equations are straight lines were as functions can curve. A vertical line can be a linear equation, but not a function. No, all linear equations are not functions. If the linear equation is a vertical line as in x = 4 it is not a function. The instance when a linear equation is not a function is if it does not pass the vertical line test. If it is possible for a vertical line to cross a graph more than once, then the graph is not the graph of a function. A Nonlinear function with two inputs for the class to evaluate: f(x) = 5  x f(x) = 0, 5, 7...
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 Spring '09
 UniversityofPhoenix
 Algebra, Linear Equations, Equations

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