intenseredbull1 intenseredbull1

20-06-2018
Mathematics

contestada

The table represents an exponential function.

x y
1 2
2 2/5
3 2/25
4 2/125

Respuesta :

20-06-2018

Hello,
[tex]f(1)=2\\ f(2)= \dfrac{2}{5} =2*5^{-1}\\ f(3)= \dfrac{2}{25} =2*5^{-2}\\ f(4)= \dfrac{2}{125} =2*5^{-3}\\\\ \boxed{f(x)= 2*5^{-x}} \\ [/tex]

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