document.write( "Question 905407: Consider the following functions.
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document.write( "f(x) = x^2 + 5x, g(x) = 7x^2 − 1
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document.write( "Find
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document.write( "(f + g)(x) =
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document.write( "Find the domain of
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document.write( "(f + g)(x) =
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document.write( "----------------
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document.write( "Find
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document.write( "(f − g)(x) =
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document.write( "Find the domain of
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document.write( "(f − g)(x) =
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document.write( "----------------
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document.write( "Find
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document.write( "(fg)(x) =
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document.write( "Find the domain of
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document.write( "(fg)(x) =
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document.write( "----------------
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document.write( "Find
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document.write( "f/g(x) =
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document.write( "Find the domain of
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document.write( "f/g(x) \r
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document.write( "Thank you \n" );
document.write( "
Algebra.Com's Answer #549173 by harpazo(655)![]() ![]() You can put this solution on YOUR website! We are searching for f(g(x)).\r \n" ); document.write( "\n" ); document.write( "What is g(x)?\r \n" ); document.write( "\n" ); document.write( "You can see that g(x) is given to be 7x^2 - 1.\r \n" ); document.write( "\n" ); document.write( "Replace every x you see in the function f(x) with 7x^2 - 1 and simplify.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(f + g)(x) means the same thing as f(g(x)).\r \n" ); document.write( "\n" ); document.write( "(f + g)(x) = (7x^2 - 1)^2 + 5(7x^2 - 1)\r \n" ); document.write( "\n" ); document.write( "Do the math on the right side on the equation.\r \n" ); document.write( "\n" ); document.write( "I will not do the math for you.\r \n" ); document.write( "\n" ); document.write( "I will tell you, however, that the domain is ALL REAL NUMBERS for this part of the question.\r \n" ); document.write( "\n" ); document.write( "TIP: Your show work. Also, post one question at a time or else nobody will reply. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |