CBSE Class 12-science - Increasing and Decreasing Functions Videos
More on increasing and decreasing functions
Learn and check the techniques of using derivative to find the intervals in which function is Increasing or decreasing.
- A man is moving away from a 40 m high tower at a speed of 2m/s . find the rate at which angle of elevation of the top of the tower is changing when he is at a distance of 30m from foot of tower. Assume that eye level of the man is 1.6 m from the ground. explain in great detail
- Show that the function f (x) = 2x + 3 is strictly increasing function on R.
- Show that the function f (x) = x2 is strictly increasing function on [0,∞).
- Show that the function f (x) = ax, a > 1 is strictly increasing on R.
- Find the intervals in which f (x) = –x2 – 2x + 15 is increasing or decreasing
- Find the intervals in which the function f (x) is increasing, f (x) = 2x3 - 9x2 + 12x + 15
- Find the intervals in which the function f (x) is decreasing f(x) = 2x3 + 9x2 + 12x + 20
- Find the intervals in which f (x) = (x + 1)3 (x - 3)3 is increasing or decreasing.
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Find the intervals in which the function f (x) =
is increasing or decreasing
- Determine the intervals in which the function f (x) = x4 – 8x3 + 22x2 – 24x + 21 is decreasing or increasing
