document.write( "Question 632190: suppose that y=5x-3 and that the value of x is increased by 3. what is the change in the value of y?
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Algebra.Com's Answer #398102 by dfrazzetto(283) You can put this solution on YOUR website! \n" ); document.write( "y = 5x - 3\r \n" ); document.write( "\n" ); document.write( "replace x with (x+3), plug back in:\r \n" ); document.write( "\n" ); document.write( "y = 5(x+3) -3\r \n" ); document.write( "\n" ); document.write( "y = 5x + 15 -3\r \n" ); document.write( "\n" ); document.write( "y = 5x + 12\r \n" ); document.write( "\n" ); document.write( "y has increased by a net change of 15 overall, say if x was originally zero, y would have gone from -3 to 12, a net change of +15\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |