Question

What type of model does the data suggest?х01234y2.55102040A ConstantB ExponentialCLinearD) Quadratic

Answer 1

$\begin{gathered} x=0,1,2,3,4 \\ y=2.5,5,10,20 \end{gathered}$

The function for this data can be represented as:

$y=5\times2^{n-2}$

Therefore, it is exponential.