document.write( "Question 984015: For the graphed function f(x) = −(5)^x − 3 + 2, calculate the average rate of change from x = 3 to x = 4. \n" ); document.write( "
Algebra.Com's Answer #604799 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "first find \"f%283%29\" and \"f%284%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%283%29+=+-%285%29%5E%283+-3%29+%2B+2\"
\n" ); document.write( "\"f%283%29+=+-%285%29%5E%280%29+%2B+2\"\r
\n" ); document.write( "\n" ); document.write( "\"f%283%29+=+-1+%2B+2\"
\n" ); document.write( "\"f%283%29+=1\"\r
\n" ); document.write( "\n" ); document.write( "so, first point is (\"x%5B1%5D\",\"y%5B1%5D\"= (\"3\",\"1\"\r
\n" ); document.write( "\n" ); document.write( "same way find second point\r
\n" ); document.write( "\n" ); document.write( " \"f%284%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%284%29+=+-%285%29%5E%284+-3%29+%2B+2\"
\n" ); document.write( "\"f%284%29+=+-%285%29%5E%281%29+%2B+2\"\r
\n" ); document.write( "\n" ); document.write( "\"f%284%29+=+-5+%2B+2\"
\n" ); document.write( "\"f%284%29+=+-3\"\r
\n" ); document.write( "\n" ); document.write( "so, second point is (\"x%5B1%5D\",\"y%5B1%5D\"= (\"4\",\"-3\")\r
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\n" ); document.write( "\n" ); document.write( " the average rate of change, or slope, is:\r
\n" ); document.write( "\n" ); document.write( "\"%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29=%28-3-1%29%2F%284-3%29=-4%2F1=-4\"\r
\n" ); document.write( "\n" ); document.write( "so,the average rate of change from \"x+=+3\" to \"x+=+4\" is \"highlight%28-4%29\"\r
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