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[SOLVED] (f o h)(x) - Math Help Forum
Jan 28, 2009 · Yes But you can also put 4 in the fraction : 4 x 2 4 x + 1 x 2 + 6 x + 9 + 4 = 4 x 2 4 x + 1 + 4 (x 2 + 6 x + 9) x 2 + 6 x + 9 and then expand
prove that if g o f is surjective then g is surjective - Math Help Forum
Jan 17, 2011 · Let f: A->B and g: B->C be functions Prove that if g o f is surjective then g is surjective Thanks!