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Write a exponential function for the two points (0,2) (2,18) y=ab^x

User Pescolly
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1 Answer

5 votes
18/2=ab^2/ab^0

9=b^2

b=3

18=a(3^2)

18=9a

a=2

y=2(3^x)


User Jondavidjohn
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