SOLUTION: Find either. Linear or an exponential function that models the data in the table. X 0 1 2 3 4 Y 5 20 80 320 1280 A) f(x)=4(5)x B

Algebra ->  Functions -> SOLUTION: Find either. Linear or an exponential function that models the data in the table. X 0 1 2 3 4 Y 5 20 80 320 1280 A) f(x)=4(5)x B      Log On


   

Question 968742: Find either. Linear or an exponential function that models the data in the table.
X 0 1 2 3 4
Y 5 20 80 320 1280
A) f(x)=4(5)x
B) f(x)=15x+5
C) f(x)=5(4)^4
D) f(x)=1/15x+5
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
You can do this.

How does this change occur:
5, 20, 80, 320, 1280?

5*k=20;

20*k=80;

80*k=320;

Yes, the same value for k is used.