Question

What kind of function best models the data?

X: Y:
0 30
1 15
2 7.5
3 3.75
4 1.875

Answer 1

I need help D:

Answer 2

it seems to be halfing itself

Answer 3

y = (1/2)^x

Answer 4

\(y = (1/2)^x\)

Answer 5

+29 ?

Answer 6

+30 perhps lol

Answer 7

do you know what kind of equation it is though?

Answer 8

its a recursice equation

Answer 9

recursive

Answer 10

A{0} = 30 ; A{n} = A{n-1} * (1/2)

Answer 11

\[A_n = (1/2)A_{n-1}\]
\[A_n = (1/2)^2 A_{n-2}\]
\[A_n = (1/2)^3 A_{n-3}\]

Answer 12

\[A_n = (1/2)^n A(0)\]

\[A_n = (1/2)^n * 30\]

Answer 13

Thanks

Answer 14

http://www.wolframalpha.com/input/?i=30*%281%2F2%29^n

to see a graph ;)

Answer 15

That helps a lot thanks :D