The table represents an exponential function. x y 1 2 2 2/5 3 2/25 4 2/125

asked Oct 4, 2019 167k views

3 votes

The table represents an exponential function.

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

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6 votes

Hello,

$f(1)=2\\ f(2)= (2)/(5) =2*5^(-1)\\ f(3)= (2)/(25) =2*5^(-2)\\ f(4)= (2)/(125) =2*5^(-3)\\\\ \boxed{f(x)= 2*5^(-x)} \\$

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