document.write( "Question 847717: Given f(x)=-3x+4 and g(x)=x+7, what isthe value of g(f(2))?Please give steps? Thanks so much -H \n" ); document.write( "
Algebra.Com's Answer #510657 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
First we must find f(2)\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=-3x%2B4\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%282%29=-3%282%29%2B4\" Replace ALL copies of x with 2.\r
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\n" ); document.write( "\n" ); document.write( "\"f%282%29+=+-6+%2B+4\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%282%29+=+-2\"\r
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\n" ); document.write( "\n" ); document.write( "Then we plug this into \"g%28x%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"g%28x%29=x%2B7\"\r
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\n" ); document.write( "\n" ); document.write( "\"g%28f%282%29%29=f%282%29%2B7\" Replace ALL copies of x with f(2)\r
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\n" ); document.write( "\n" ); document.write( "\"g%28f%282%29%29=-2%2B7\" Replace f(2) on the right side with -2 (above we found \"f%282%29+=+-2\")\r
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\n" ); document.write( "\n" ); document.write( "\"g%28f%282%29%29=5\"
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