Consider the relationship between the height of a tree and time. The time would considered which of the following.
a. function
b. input
function
c. independent variable
d. dependent variable

Question

Consider the relationship between the height of a tree and time. The time would considered which of the following. 
a. function 
b. input
function 
c. independent variable 
d. dependent variable

phi · Answer

does the height of the tree depend on time
or does time depend on the height of the tree ?

any idea ?

tanabugg · Answer

I'm thinking it's independent variable

tanabugg · Answer

@phi

phi · Answer

time is the independent variable
(by process of elimination:  the height depends on how long the tree grows i.e. on time, so the height is the dependent variable... that means time is the independent variable)

tanabugg · Answer

Great!  Thanks