Which is a stretch of an exponential decay function?
f(x) = four-fifths (five-fourths) superscript x
f(x) = four-fifths (four-fifths) superscript x
f(x) = five-fourths (four-fifths) superscript x
f(x) = five-fourths (five-fourths) superscript x

Agroup of five people go out to eat and buy appetizers and main dishes they decide to split the bill so each person pays 20% of the total cost appetizers are $5 and main dishes are $10 write an expression to show how much each person pays explain it with how to solve the problem