A movie earned $40 million in its first week of release. Earnings decreased each successive week by 40%. Which recursive formula

Question

almond37 [142]

4 years ago

11

A movie earned $40 million in its first week of release. Earnings decreased each successive week by 40%. Which recursive formula

can you use to find out how much money (in millions) the movie earned n weeks after its release?

Mathematics

1 answer:

stiv31 [10] · Answer 1 · 2022-01-30T08:45:59+03:00

stiv31 [10]4 years ago

8 0

Since it decreases by a factor of 0.4, this is a geometric formula. The recursive geometric formula is
a subscript n=[a subscript (n-1)]*r
r is 0.4
so,
a subscript n=[a subscript (n-1)]*0.4