Find the Rule to this function table:

N 1 2 3 4 5

Y 3 6 12 24 48

Y=

11 years ago*

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y=1.5

11 years ago
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Y = 3 * 2^(N-1)

11 years ago
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May I just ask how you worked that out so quickly? :)

11 years ago
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Y1= 3 1, Y2= 3 2, Y3= 3 4, Y4= 3 8 etc.
"Right digit pattern" matches with the 2^x pattern
Then just put the N in the equation.

11 years ago
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42

11 years ago
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Yes, this ^ 42 is the answer - refer to The Hitchhiker's Guide to the Galaxy.

11 years ago
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Every Y is twice bigger than previous, so I guess it should be 96. But I may be wrong ;)

11 years ago
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Closed 11 years ago by FlamingCola.