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Function composition

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Intern
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Joined: 24 Aug 2018
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Function composition  [#permalink]

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New post 25 Aug 2018, 02:38
If f(x)= x + 2 and f(x) o f(x) o f(x)... = q where o represents the composition of two function and n denotes the number of times of composition, the value of n is given by which of the following expressions?

A) n=(q-x)/2
B) n=q/2
C) n=q-x
D) n is any odd number
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Re: Function composition  [#permalink]

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New post 25 Aug 2018, 03:33
monmouw wrote:
If f(x)= x + 2 and f(x) o f(x) o f(x)... = q where o represents the composition of two function and n denotes the number of times of composition, the value of n is given by which of the following expressions?

A) n=(q-x)/2
B) n=q/2
C) n=q-x
D) n is any odd number


Hey monmouw, could you please post the OA and OE as well??
Thanks
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Re: Function composition  [#permalink]

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New post 25 Aug 2018, 08:36
This is not a GMAT type question.
Please read the rules of posting carefully before posting.
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Re: Function composition   [#permalink] 25 Aug 2018, 08:36
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