The maximum value of the function $f(x)=2+x-{{x}^{2}}$is

The  radius of circular disc is increasing at the rate of 0.5cm/sec. At what rate is the area of the disc increasing when its radius is 6cm

The  radius of circular disc is increasing at the rate of 0.5cm/sec. At what rate is the area of the disc increasing when its radius is 6cm

If $y={{(1-2x)}^{3}}$Find the value of $\frac{dy}{dx}$at x =1

Find the derivative o the function $y=2{{x}^{2}}(2x-1)$ at the point x = –1

What is the rate of change of the volume V of a hemisphere with respect to its radius when r =2

Find the derivative of $(2+3x)(1-x)$with respect to x

If $y=3\cos (\tfrac{x}{3})$find $\frac{dy}{dx}$when $x=\tfrac{3\pi }{2}$

Determine the maximum value of $y=3{{x}^{2}}-{{x}^{3}}$

If $y=3\sin (-4x),\frac{dy}{dx}\text{ is }$