math456

Need help with this!!

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math456

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math456

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ANyone??

phi

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what does the limit say x--> ??

myko

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x-->2 i guess

Tonks

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4

myko

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since function g(x) is continuous, it's lim is equal to it's value at the point. So you can substitute g(x) for g(2)=6 in the expretion under lim sign. Same story for f(x)

Tonks

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Let's see, if g(2) = 6, then it becomes 3*f(2) + 6*f(2) = 36
combine like terms: 9*f(2) = 36
divide and...

math456

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its limit as x approaches to 2

math456

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so f(2)=36/9

math456

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which is 4!

math456

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thanks you all!! :)