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Which is greater f(g(3)) or g(f(3))

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Carcass
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Which is greater f(g(3)) or g(f(3)) [#permalink] New post   16 Jan 2019, 17:30
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D

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f(x)=2x

g(x)=12x



Quantity A
Quantity B
f(g(3))
g(f(3))


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
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C
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pranab223
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Re: Which is greater f(g(3)) or g(f(3)) [#permalink] New post   16 Jan 2019, 21:25
1
Carcass wrote:
f(x)=2x

g(x)=12x



Quantity A
Quantity B
f(g(3))
g(f(3))


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.


Explanation::

f(g(3))=f(12∗3)=f(32)=2∗32=3

g(f(3))=g(2∗3)=g(6)=12∗6=3

Hence Qty A = Qty B
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gmatclubot
Re: Which is greater f(g(3)) or g(f(3)) [#permalink]
16 Jan 2019, 21:25
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