document.write( "Question 530093: is x=-2 a function? \n" ); document.write( "
Algebra.Com's Answer #349876 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! No, it's not a function because the graph violates the vertical line test.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, the one input x = -2 maps to more than one output. So it cannot be a function. \n" ); document.write( " |