document.write( "Question 1135884: (10 pts) Let f (x) = 3x^2 - x - 7 and g(x) = 3x - 1\r
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document.write( " (a) Determine the composite function (f ∘ g)(x) and simplify the results. Show work.\r
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document.write( "(b) Compute (f ∘ g)(-1) . Show work.\r
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document.write( "Answer that was provided on the site is not correct
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Algebra.Com's Answer #753586 by rothauserc(4718) You can put this solution on YOUR website! (f o g)(x) = 3(3x-1)^2 -(3x-1) -7 = 3(9x^2 -6x +1) -3x +1 -7 = \n" ); document.write( ": \n" ); document.write( "27x^2 -18x +3 -3x +1 -7 = 27x^2 -21x -3 \n" ); document.write( ": \n" ); document.write( "(f ∘ g)(x) = 27x^2 -21x -3 \n" ); document.write( ": \n" ); document.write( "I assume the problem does not want the inverse of the composite \n" ); document.write( ": \n" ); document.write( "Rather, just evaluate the composite at x = -1 \n" ); document.write( ": \n" ); document.write( "(f o g)(-1) = 27(-1)^2 -21(-1) -3 = \n" ); document.write( ": \n" ); document.write( "27 +21 -3 = 45 \n" ); document.write( ":\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |