document.write( "Question 568353: y= (x+4)-(x+1)
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document.write( "the (brackets) are supposed to be the absolute value bar lines
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document.write( "i understand how to get a resulting graph by graphing both vectors and adding the y values from left to right and then plotting the points.
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document.write( "my question is what is the resulting graph supposed to tell you?
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document.write( "i'm confused because i don't really get how to read the graph\r
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document.write( "i have worked out that the resulting graph looks like a rigid S shape from using an algebraic method\r
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document.write( "for x<-2
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document.write( "y= -(x+2) +(x+1)
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document.write( "= -x-2+x+1
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document.write( "y=-1\r
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document.write( "for -2
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document.write( "y=2x+3\r
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document.write( "for x>-1
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document.write( "y=x+2-x-1
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document.write( "y=1\r
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document.write( "if i graph these 3 equations, i will get the same resulting graph.
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document.write( "does it mean the points on the resulting graph are the solutions?\r
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document.write( "thanks in advance.
Algebra.Com's Answer #366921 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! y= |x+2|-|x+1| \n" ); document.write( "-------------------- \n" ); document.write( "for x<-2 \n" ); document.write( "y= -(x+2) +(x+1) \n" ); document.write( "= -x-2+x-1 \n" ); document.write( "----------------------- \n" ); document.write( "for -2 \n" ); document.write( "y=2x+3 \n" ); document.write( "------------------------\r \n" ); document.write( "\n" ); document.write( "for x >-1 \n" ); document.write( "y=x+2-x-1 \n" ); document.write( "y=1 \n" ); document.write( "---------------------------\r \n" ); document.write( "\n" ); document.write( "if i graph these 3 equations, i will get the same resulting graph. \n" ); document.write( "does it mean the points on the resulting graph are the solutions? \n" ); document.write( "---- \n" ); document.write( "Ans: Yes \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "==================== \n" ); document.write( " |