document.write( "Question 1185267: How does the graph of y=-2(1/3)^x-2 compare to the graph of the parent function y=b^x? Consider describing transformation in your comparison. \n" ); document.write( "
Algebra.Com's Answer #816067 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "if you have\r
\n" ); document.write( "\n" ); document.write( "\"y=-2%281%2F3%29%5Ex-2\" compare to the graph of the parent function\"+y=b%5Ex\"\r
\n" ); document.write( "\n" ); document.write( "\"y=a%28b%29%5E%28x-h%29%2Bk+\"\r
\n" ); document.write( "\n" ); document.write( "where \"a\" is the vertical stretch by factor \"a\"if \"a%3E0\", and vertical shrink if \"0%3Ca%3C1\" \r
\n" ); document.write( "\n" ); document.write( "\"h+\"is the horizontal shift\r
\n" ); document.write( "\n" ); document.write( "and \"k\" is the vertical shift\r
\n" ); document.write( "\n" ); document.write( "\"y=-2%281%2F3%29%5Ex-2+\"\r
\n" ); document.write( "\n" ); document.write( "so, parent function is \"y=%281%2F3%29%5Ex+\"\r
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\n" ); document.write( "\n" ); document.write( " \"a=-2\" =>the graph of the parent function reflected over x-axis and vertically stretched by factor \"2\"\r
\n" ); document.write( "\n" ); document.write( "\"h=0\"=>no horizontal shift\r
\n" ); document.write( "\n" ); document.write( "\"k=-2\"=> the graph of the parent function moves \"2\" units down\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+%281%2F3%29%5Ex%2C+-2%281%2F3%29%5Ex-2%29+\"\r
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