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? (1 point)
Select one:
a. f(n ) = f(n - 1) • 0.4 + 48, n > 0
b. f(n ) = 250 - f(n - 1) • 0.4 + 48, n > 0
c. f(n ) = f(n - 1) • 0.6 + 48, n > 0
d. f(n ) = 250 - f(n - 1) • 0.6 + 48, n > 0

Answer 1

Someone please help, I am great at math but these kill me!!

Answer 2

@boricua5 @lupita1995

Answer 3

Are either of you any good at these?

Answer 4

I will fan/give medal..

Answer 5

@study100

Answer 6

@xapproachesinfinity

Answer 7

i believe its A.

Answer 8

@ninaesb I don't mean to be too needy haha but could you show me how you got it?

Answer 9

i would go for d

Answer 10

I picked c last time

Answer 11

The answer is B

http://openstudy.com/study#/updates/5281801de4b0e75fc9bfddea

:)

Answer 12

you all said different answers lol

Answer 13

@juanpabloJR

Answer 14

@juanpabloJR

Answer 15

i think you should just put b

Answer 16

amonaroll32 is right

Answer 17

@xapproachesinfinity

Answer 18

thanks @cookies8701 @juanpabloJR

Answer 19

no problem love

Answer 20

B

Answer 21

it wasnt

Answer 22

i got it wrong, its not b or c

Answer 23

then it was d

Answer 24

Oh yeah not thinking right!
you had 250 take out 40 percent you are left with 60 of that. add 48 new bottles

Answer 25

f(n-1) is the previous number of bottles taking 40% out and f(n) new one with 48 add and so on