JoAnn analyzed the following data showing the number of cells in a bacteria culture over time. Time (min) 4 10.9 14.8 17.5 19.7 21.4
Cells 8 16 24 32 40 48

She concluded that since the number of cells showed a constant change and the time did not, neither a linear function nor an exponential function modeled the number of cells over time well. Was she correct? Round to 4 decimal places.

JoAnn was
(select)
. Because the time intervals
(select)
uniform, she cannot make a determination by just looking at the data. An
exponential
function is a good model as it gives an equation with r =
.