Question

A store had 250 bottles of water. Each week, 40% of the bottles were sold and 48 new bottles arrived in shipments. Which recursive function best represents the number of bottles of water in the store?

Answer 1

@Kira_Yamato

Answer 2

f(n) = f(n - 1) • 0.4 + 48, n > 0

f(n) = 250 - f(n - 1) • 0.4 + 48, n > 0

f(n) = f(n - 1) • 0.6 + 48, n > 0

f(n) = 250 - f(n - 1) • 0.6 + 48, n > 0

Answer 3

I think it's A or B.

Answer 4

A store had 250 bottles of water. => f(0) = 250
Each week, 40% of the bottles were sold and 48 new bottles arrived in shipments. => \[f(n) = 0.4f(n-1) + 48, n \in \mathbb{Z^+}\]

Answer 5

So the answer is A?