document.write( "Question 1197810: 17. f(x) = 15x3 + 13x2 - 15x + 15
\n" ); document.write( " g(x) = 15x + 11
\n" ); document.write( " find g(f(9))\r
\n" ); document.write( "\n" ); document.write( "A. 639
\n" ); document.write( "B. -5943226
\n" ); document.write( "C. -52466
\n" ); document.write( "D. -6288203
\n" ); document.write( "E. 178031
\n" ); document.write( "F. -4595\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "18. f(x) = -13x2 - 13x + 14
\n" ); document.write( " g(x) = -13x - 11
\n" ); document.write( " find g(g(3))\r
\n" ); document.write( "\n" ); document.write( "A. 639
\n" ); document.write( "B. 178031
\n" ); document.write( "C. -5943226
\n" ); document.write( "D. -52466
\n" ); document.write( "E. -6288203
\n" ); document.write( "F. 752
\n" ); document.write( "

Algebra.Com's Answer #831235 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
17.\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=+15x%5E3+%2B+13x%5E2+-+15x+%2B+15\"
\n" ); document.write( "\"g%28x%29+=+15x+%2B+11\"\r
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\n" ); document.write( "\n" ); document.write( "find \"g%28f%289%29%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "first find \"g%28f%28x%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"g%28f%28x%29%29=g%2815x%5E3+%2B+13x%5E2+-+15x+%2B+15%29\"\r
\n" ); document.write( "\n" ); document.write( "\"g%28f%28x%29%29=15%2815x%5E3+%2B+13x%5E2+-+15x+%2B+15%29%2B11\"\r
\n" ); document.write( "\n" ); document.write( "\"g%28f%28x%29%29=225+x%5E3+%2B+195+x%5E2+-+225+x+%2B+236\"\r
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\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "then\r
\n" ); document.write( "\n" ); document.write( "\"g%28f%289%29%29=225+%2A9%5E3+%2B+195%2A9%5E2+-+225%2A9+%2B+236\"\r
\n" ); document.write( "\n" ); document.write( "\"g%28f%289%29%29=178031\"\r
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\n" ); document.write( "\n" ); document.write( "answer: E.\"+178031\"\r
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\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "18. \r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=+-13x%5E2+-+13x+%2B+14\"
\n" ); document.write( "\"g%28x%29+=+-13x+-+11\"\r
\n" ); document.write( "\n" ); document.write( "find \"g%28g%283%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"g%28g%28x%29%29=g%28+-13x+-+11%29\"
\n" ); document.write( "\"g%28g%28x%29%29=-13%28+-13x+-+11%29-11\"
\n" ); document.write( "\"g%28g%28x%29%29=169+x+%2B+132\"\r
\n" ); document.write( "\n" ); document.write( "then\r
\n" ); document.write( "\n" ); document.write( "\"g%28g%283%29%29=169+%2A3+%2B+132\"
\n" ); document.write( "\"g%28g%283%29%29=639\"\r
\n" ); document.write( "\n" ); document.write( "answer:
\n" ); document.write( "A. \"639\"\r
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\n" ); document.write( "\n" ); document.write( " \r
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