A scatterplot containing several values is found to have a linear regression R2 value of 0.883, a quadratic regression R2 value of 0.537, an exponential regression R2 value of 0.492, and a logarithmic regression R2 value of 0.912. Which mathematical model best fits the scatterplot?
A. linear model
B. quadratic model
C. exponential model
D. logarithmic model