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2013-12-13T20:07:16-02:00
F(x) = 5x+1
h(x) = 1+4x
f(h(x)) = f(1+4x) = 5.(1+4x)+1 = 5+20x+1 = 20x+6
f(h(2)) = 20.2 + 6 = 40 + 6 = 46
h(f(x)) = h(5x+1) = 1+4.(5x+1) = 1+20x+4 = 20x+5
h(f(2)) = 20.2+5 = 40+5 = 45
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