# SOLUTION: What similarities and differences do you see between functions and linear equations? Are all linear equations functions? Is there an instance in which a linear equation is not a fu

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 Click here to see ALL problems on Linear-equations Question 150791: What similarities and differences do you see between functions and linear equations? Are all linear equations functions? Is there an instance in which a linear equation is not a function? Support your answer. Create an equation of a nonlinear function and provide two inputs. Answer by vleith(2825)   (Show Source): You can put this solution on YOUR website!functions map inputs to unique outputs. Linear equations can be functions -- and most times are functions. Use the vertical line rule to see if an expression is a function. If a vertical line intersects a plot at more than one point, the expression is NOT a function. So, is there a linear equation that is not a function? Use the vertical line rule.Is there a line that intersects a vertical line at more tan one point? of course, the vertical line itself. nonlinear function f(x) = x^2