document.write( "Question 1158030: find the relation to its parent graph for this: y=-(2)^x+5 -1 \n" ); document.write( "
Algebra.Com's Answer #780973 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( " find the relation to its parent graph for this: \"y=-%282%29%5E%28x%2B5%29+-1\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=+a%2Ae%5E%28b%28x-c%29%29+%2B+d\"\r
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\n" ); document.write( "\n" ); document.write( "\"c\" - Translate Graph \"Horizontally\"
\n" ); document.write( "When you subtract a positive number \"c\" from \"x\", you are translating \"horizontally\" the graph of the function \"c\" units \"to\"\"+the\" \"right\".
\n" ); document.write( "When \"c+\"is negative, you are translating \"horizontally\" the graph of the function \"c\" units \"to\"\"+the\"\"+left\".\r
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\n" ); document.write( "\n" ); document.write( "\"b\" - Horizontal \"Stretching+\"or Compression
\n" ); document.write( "When you multiply \"x\" by a positive \"b\" you will be performing either a horizontal \"compression\" or horizontal \"stretching\" of the graph.
\n" ); document.write( "If \"0+%3C+b+%3C+1\" you have a horizontal \"compression\" and if \"b+%3E+1\" then you have a horizontal \"stretching\".
\n" ); document.write( "When \"b\" is \"negative\", then this horizontal compression or horizontal stretching of the graph is followed by a \"reflection\" across the \"y\"-axis.\r
\n" ); document.write( "\n" ); document.write( "a - Vertical \"Stretching\" or Compression
\n" ); document.write( "When you multiply a function by a positive \"a\" you will be performing either a vertical compression or vertical stretching of the graph.
\n" ); document.write( "If \"0+%3C+a+%3C+1\" you have a vertical compression and if \"a+%3E+1\" then you have a vertical stretching.
\n" ); document.write( "When \"a\" is negative, then this vertical compression or vertical stretching of the graph is followed by a reflection across the \"x\"-axis.
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\n" ); document.write( "\n" ); document.write( "d - Translate Graph\"+Vertically\"\r
\n" ); document.write( "\n" ); document.write( "When you add a positive number \"d+\"to a function, you are translating vertically the graph of the function \"d\" units upwards.
\n" ); document.write( " When d is negative, you are translating vertically the graph of the function \"d\" units downwards.\r
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\n" ); document.write( "\n" ); document.write( "\"y=-%282%29%5E%28x%2B5%29+-1\" compared to \"f%28x%29+=+a%2Ae%5E%28b%28x-c%29%29+%2B+d\"\r
\n" ); document.write( "\n" ); document.write( "\"a=-1\"=>\"a\" is negative, then this \"vertical\"\"+compression\" or vertical stretching of the graph is followed by a reflection across the \"x\"-axis\r
\n" ); document.write( "\n" ); document.write( "\"b=1\"=> there is \"no\" a horizontal compression or horizontal stretching \r
\n" ); document.write( "\n" ); document.write( "\"c=-5\"=>\"c\" is negative, you are translating horizontally the graph of the function \"5\" units to the left\r
\n" ); document.write( "\n" ); document.write( "\"d=-1\"=>\"d\" is negative, you are translating vertically the graph of the function \"1\" units downwards\r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2C+-%282%29%5E%28x%2B5%29+-1%2C2%5Ex+%29+\"\r
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