document.write( "Question 751821: Use f(x) = x+3 and g(x) = x+7 to find each of the following:
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Algebra.Com's Answer #457816 by Edwin McCravy(20065) $\"\"$ $\"About$

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document.write( "Use f(x) = x+3 and g(x) = x+7 to find each of the following:
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document.write( " A: (f+g)(x) = f(x) + g(x) = (x+3) + (x+7) = x+3+x+7 = 2x+10
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document.write( " B: (f-g)(x) = f(x) - g(x) = (x+3) - (x+7) = x+3-x-7 = -4
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document.write( " C: (fg)(x) = f(x)·g(x) = (x+3)·(x+7) = x²+7x+3x+21 = x²+10x+21
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document.write( " D: (x) = \r
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document.write( "Edwin\n" );
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