The height of the plane is the dependent variable.
Given that,
The height of a plane is a function of the time since take off. To identify the dependent variable.
What are functions?
Functions is the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.
Let the height of the plane be h and the time is t.
Since the height of the plane is a function of time t implies h is in proportion to t
h ∝ t
h = kt
where k is the proportionality constant,
The above expression represents that h if unction of t and h is the dependent variable.
Thus, the height of the plane is the dependent variable.
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