document.write( "Question 933421: Please help me solve theses problems: Let f(x)= x^2+2 and g(x)=x+1\r
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document.write( "a)f(2)=
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document.write( "b)g(x)=7
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document.write( "c)f(g(3))=
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document.write( "d)g(f(x))=
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document.write( "e) f^-1(x)= \n" );
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Algebra.Com's Answer #566795 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Please help me solve theses problems: Let f(x)= x^2+2 and g(x)=x+1\r \n" ); document.write( "\n" ); document.write( "a)f(2)= \n" ); document.write( "f(x) = x^2+2 \n" ); document.write( "Wherever there's an x, replace it with 2 \n" ); document.write( "f(2) = 2^2 + 2 = 4+2 = 6 \n" ); document.write( "Couldn't be much simpler. \n" ); document.write( "----- \n" ); document.write( "b)g(x)=7 \n" ); document.write( "Same as a \n" ); document.write( "============== \n" ); document.write( "c)f(g(3)) \n" ); document.write( "Sub 3 for x in g(3), then sub the result in f(x) \n" ); document.write( "--------------- \n" ); document.write( "d)g(f(x)) \n" ); document.write( "Same as c. \n" ); document.write( "------------------ \n" ); document.write( "e) f^-1(x) \n" ); document.write( "This one is different. \n" ); document.write( " \n" ); document.write( " |