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miv72 [106K]
3 years ago
9

(7.06) what function is represented below

Mathematics
1 answer:
wel3 years ago
6 0

I can eyeball points (1/2, 8), (1,4), (2,1), (3,1/4)


The pattern is each increment of 1/2 in x divides by two.


f(x) = (\frac k 2)^{2x} = \frac{k}{4^x}


Any of the points give k=16


f(x) = 16( 4 ^{-x} )  = 4^{2-x}


Check: x=1/2 4^(3/2)=2^2=8 good


x=1 4^(2-1)=4 good


x=2 4^(2-2)=1 good


x=3 4^(2-3)=1/4 good



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