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<p>f(x) = x² + 4x - 5</p><p>g(x) = 2x - 3</p><p>&nbsp;</p><p>f(g(x)) = f(2x - 3)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = (2x - 3)² + 4(2x - 3) + 5</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 4x² - 6x - 6x + 9 + 8x - 12 + 5</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 4x² - 4x + 2</p><p>&nbsp;</p><p>g(f(x)) = g(x² + 4x - 5)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 2(x² + 4x - 5) - 3</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 2x² + 8x -13</p>