Application of Derivatives
Prove that the following functions do not have maxima or minima:f(x) = ex
Let f (x) = ex∴ f ' (x) = exNow f ' (x) ≠ for any x ∊ R∴ f (x) has neither maximum nor minimum value.
Sponsor Area
The radius of a circle is increasing uniformly at the rate of 4 cm per second Find the rate at which the area of the circle is increasing when the radius is 8 cm.