document.write( "Question 1108932: If f(x) = x 2 + 1 and g(x) = 3x + 1, find g(20) + f(6). \n" ); document.write( "
Algebra.Com's Answer #723918 by Alan3354(69443)\"\" \"About 
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Same problem, different numbers.
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\n" ); document.write( "If f(x) = x 2 + 1 and g(x) = 3x + 1, find f(-1) + 5g(-3).
\n" ); document.write( " Do you mean f(x) = x^2 + 1 ?
\n" ); document.write( " Use ^(Shift 6) for exponents.
\n" ); document.write( " -----
\n" ); document.write( " f(x) = x^2 + 1
\n" ); document.write( " Wherever you see x, sub -1
\n" ); document.write( " f(-1) = (-1)^2 + 1 = 2
\n" ); document.write( " ---
\n" ); document.write( " g(x) = 3x + 1
\n" ); document.write( " Sub -3
\n" ); document.write( " Multiply by 5
\n" ); document.write( " Add f(-1)
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