Select the correct answer from each drop-down menu.
Teri is studying the growth of the population of frogs in a lake. The table below shows the number of frogs with respect to the number of months since Teri began her study.

Months 1 2 3 4 5
Number of Frogs 50 150 450 1,350 4,050
The independent variable in the relationship is the
month
and should be placed on the
x-axis
.

The dependent variable in the relationship is the
number of frogs
and should be placed on the
y-axis
.