Question

Barry has been watching the geese that live in his neighborhood. The number of geese changes each week.


n f(n)
1 56
2 28
3 14
4 7


Which function best shows the relationship between n and f(n)?
f(n) = 28(0.5)n

f(n) = 56(0.5)n-1

f(n) = 56(0.5)n

f(n) = 112(0.5)n-1

Answer 1

put n=1 into the eqn.....which choice gives u 56?

Answer 2

im thinkin its c

Answer 3

show me why plz?

Answer 4

f(1)=56*(0.5)^1=?

Answer 5

i just guess on this one :P

Answer 6

guessed*

Answer 7

look at my eqn above - does that give u 56? i dont think so....

Answer 8

take another guess plz? ;)

Answer 9

a

Answer 10

err....i dont mean GUESS....i mean like put n=1 n see which choice will give u 56...

Answer 11

this is my last question..im tired :P Could ya just gimme the answer to it plz?

Answer 12

im supposed to help only....

Answer 13

knowing the answe will help me :3

Answer 14

true lol

Answer 15

ty!

Answer 16

im way to tired to go science ill do it tomorrow or something..hope i dont get in toruble :P