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Hi ,
I just having my DISCRETE MATHEMATICS course for this semester and I do facing on solving below question.
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F and G is a positive integer
f : N →R
g : N →R
Find the composition f ° g and g ° f.
f(n) = e^n ,
g(n) = e^(e^n )
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Did the answer below fulfill the question need?
g(f(n)) = e^(e^(e^n))
f(g(n)) = e^(e^(e^n))
Last edited by envy1987 (2014-09-25 01:17:40)
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Did the answer below fulfill the question need?
g(f(n)) = e^(e^(e^n))
f(g(n)) = e^(e^(e^n))
Your answers are correct. In this particular question f○g and g○f are equal but it should be borne in mind that this is not always the case (and frequently it is not).
Bassaricyon neblina
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Thank a lot for your fast reply ^.^
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