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by rockeyb » Mon Apr 26, 2010 9:55 am
pradeepkaushal9518 wrote:for all integer n the function defined by f(n)=a^n where a is a contant find the value of f(1)?
1. f(2)=100
2.f(3)=-1000

explain
Value question .

Given f(n)=a^n we need to find "a" ?


1. f(2)=100 .

now 'a' could be 10 OR -10 as both 10^2 and -10^2 will give me 100 .

Insufficient .

2.f(3)= -1000.

a = -10 .

Sufficient .[spoiler]

Hence B.[/spoiler]
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