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# F(n) is defined by the equation F(n)=F(n−1)+n for every integer n grea

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F(n) is defined by the equation F(n)=F(n−1)+n for every integer n grea  [#permalink]

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14 Jun 2015, 05:32
1
1
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Difficulty:

5% (low)

Question Stats:

83% (01:07) correct 17% (01:44) wrong based on 114 sessions

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F(n) is defined by the equation F(n)=F(n−1)+n for every integer n greater than 1. If F(1)=0, what is the value of F(3)?

A. 3
B. 4
C. 5
D. 6
E. 7

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Re: F(n) is defined by the equation F(n)=F(n−1)+n for every integer n grea  [#permalink]

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14 Jun 2015, 11:38
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reto wrote:
F(n) is defined by the equation F(n)=F(n−1)+n for every integer n greater than 1. If F(1)=0, what is the value of F(3)?

A. 3
B. 4
C. 5
D. 6
E. 7

$$F(n)=F(n-1)+n$$;

$$F(2)=F(1) + 2=0+2=2$$;

$$F(3)=F(2) + 3=2+3=5$$.

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Re: F(n) is defined by the equation F(n)=F(n−1)+n for every integer n grea  [#permalink]

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29 Mar 2017, 06:33
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Re: F(n) is defined by the equation F(n)=F(n−1)+n for every integer n grea &nbs [#permalink] 29 Mar 2017, 06:33
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# F(n) is defined by the equation F(n)=F(n−1)+n for every integer n grea

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