Suppose the following about a certain object:

I. The object's altitude is a function of time, represented by the function A(x) where here x is time.
II. The temperature of the object is a function of its velocity, represented by the function T(x), where here x is the object's velocity.
III. The weight of the object is a function of its altitude, represented by the function W(x), where here x is the object's altitude.
IV. The velocity of the object is a function of its weight, represented by the function V(x), where here x is the object's weight.
The function F(t) which gives us the object's temperature at time t can be represented as

To keep track of all that I need to use different variable labels that make more sense to me.

A(t)
T(v)
w(A)
v(w)
Now we want T(t)
T(v)= T(v(w))
but v(w) = v(w(A))
so
T(A) = T(v(w(A)))
but w(A) = w(A(t))
so
T(t) = T(v(w(A(t)))) which is our F(t)

F(t) = T(V(W(A(t))))

F(t) = T(V(W(A(t))))

To find the function F(t) representing the object's temperature at time t, we need to consider the given relationships between altitude, temperature, weight, and velocity.

According to the given information, the object's altitude is a function of time and is represented by A(x), where x is time. So, we can write the altitude as A(t), where t represents time.

The temperature of the object is a function of its velocity and is represented by T(x), where x is the object's velocity. So, we can write the temperature as T(v), where v represents the object's velocity.

The weight of the object is a function of its altitude and is represented by W(x), where x is the object's altitude. So, we can write the weight as W(a), where a represents the object's altitude.

The velocity of the object is a function of its weight and is represented by V(x), where x is the object's weight. So, we can write the velocity as V(w), where w represents the object's weight.

Now, we need to find the function F(t) representing the object's temperature at time t. As per the given information, the temperature depends on the velocity. So, to find F(t), we need to determine the relationship between temperature and velocity.

It is not explicitly mentioned how temperature is related to velocity. You would need additional information or an equation that describes the relationship between temperature and velocity. Without this information, it is not possible to determine the function F(t) representing the object's temperature at time t.