document.write( "Question 976362: Given that f(x) = 2x + 1 and g(x) = -5x + 2, solve for f(g(x)) when x = 3.
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Algebra.Com's Answer #597983 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "Given that f(x) = 2x + 1 and g(x) = -5x + 2, solve for f(g(x)) when x = 3.\r\n" ); document.write( "\r\n" ); document.write( "That means f(g(3)). Substitute 3 for x in g(x) = -5x + 2, then take what\r\n" ); document.write( "you get and substitute that for x in f(x). \r\n" ); document.write( " \n" ); document.write( "f(x) = 2x + 1 and g(x) = -5x + 2. \n" ); document.write( " \r\n" ); document.write( "First find g(3) by substituting x=3 in g(x) = -5x + 2\r\n" ); document.write( " g(3) = -5(3) + 2\r\n" ); document.write( " g(3) = -15 + 2\r\n" ); document.write( " g(3) = -13\r\n" ); document.write( "\r\n" ); document.write( "Then substitute x=-13 in f(x) = 2x + 1\r\n" ); document.write( " f(-13) = 2(-13)+1\r\n" ); document.write( " f(-13) = -26+1\r\n" ); document.write( " f(-13) = -25 \r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |