Question

the rate of change of the altitude of a hot air balloon is given by r(t)=t^3 - 4t^2 +6 for 0 less than or equal t less than or equal 8. write the expression that represents the change in altitude of the balloon during the time that the altitude is decreasing?

Answer 1

sorry helpin someone, will work on this later

Answer 2

If altitude is decreasing, the rate of change of the altitude is negative.

Answer 3

t^3 - 4t^2 +6<0. I think there was more to this question?