The exponential function f, represented in the table, can be written as f (x)=a*b^x

x | f(x)
___
0| 5
1 | 8

what does f(x) =
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Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.