Exponential growth function exponential decay function y = a(1 + r) y = a(1-r) exponential

Exponential growth function
exponential decay function
y = a(1 + r)
y = a(1-r)"
exponential growth applications
1. annual sales for a fast food restaurant are $650,000 and are increasing at a rate of 4%)per year.
write an exponential growth function, then find the annual sales after 7 years.