Search 75,981 tutors

sin3x/(1+x^2)

f(x)=x2-4x+3

Show that there is no polynomial function that has a derivative of x^-1.

Suppose the annual cost per active-duty armed service member in a certain country increased from \$80,000 in 1995 to \$90,000 in 2000. In 1990, there were 2 million armed service personnel and this...

A differential equation is an equation involving a function and one or more of its derivatives. Determine whether the function y=πsinθ+2πcosθ is a solution to the differential equation d^2y/dθ^2...

Air is being pumped into a spherical balloon. The volume, V, in cubic centimetres, of the balloon is V=4/3πr^3, where the radius, r, is in centimetres.    a) Determine the...

Determine equations for the tangents to the cubic function y=2x^3 -3x^2 -11x +8 at the point where y=2.

A piece of plexiglass is in the shape of a semicircle with radius 2 m. Determine the dimensions of the rectangle with the greatest area that can be cut from the piece of plexiglass.

Determine equations for two lines that pass through the point (1,-5) and are tangent to the graph of y=x^2-2.

find the 1st and 2nd derivative

how would I set the 1st and 2nd derivatives to zero and solve for x ?

find 1st and 2nd derivative for x to the 2/3 * (2-x) =  x to the 2/3 * (2-x) sorry I didn't clarify

f(x)= (5x2 -7)(x2-2) / x2+6 find f ' (x)  at x=5

1. Find the derivative f'(x). (a) f(x)=xexcosx (b) f(x)=secxtanx (c) f(x)=sinx/1+cosx   2. Let g(x) be a differentiable function such that g(0)=2 and g'(0)=3. (a)...