Question

What is the exponential function rule for the following points:

x

f(x)

1

8

2

32

3

128

4

512

f(x) = 2(4)^x
f(x) = 4(2)^x
f(x) = 4(x)^2

Answer 1

Answer:

 f(x) = 2(4)^x  

Step-by-step explanation: