Find the Derivative
Critical Points
Global Max or Min
Points of Inflection
100

Find the first derivative of the following function:

f(x)=(x+1)/(x^3+x-2)

f'(x)=(x^3+x-2-(x+1)(3x^2+1))/(x^3+x-2)^2

Simplified:

(-2x^3-3x^2-3)/(x^3+x-2)^2

100

Find the critical point(s) of this function:

f(x)=2x^3+3x^2-36x

x=-3 and x=2

100

Find the global max of this function:

 f(x)=3x^2-12x+5  on  [0, 3] 

Global max: (0, 5)

100

Find the point(s) of inflection of this function:

f(x)=2x^3+3x^2-36x

x=-1/2

200

Find the first derivative of the following function:

f(x)=e^(xcosx)

f'(x)=e^(xcosx)(cosx-xsinx)

200

Find the critical point(s) of this function:

f(x)=x^3+x^2+x

x=-1 and x=1/3

200

Find the global max of this function:

 f(x)=x/(x^2+1) on  [0, 2] 

Global max: (1, 0.5)
200

Find the point(s) of inflection of this function:

f(x)=x^3+x^2+x

x=-1/3

300

Find the first derivative of the following function:

f(x)=sin(tanx)

f'(x)=(cos(tanx))/cos^2x

300

Find the critical point(s) of this function:

f(x)=(x^2)/(x^2+3)

x=0

300

Find the global min of the following function:

 f(x)=x-lnx on  [0.5, 2] 

Global min: (1, 1)

300

Find the point(s) of inflection of this function:

f(x)=-2x^2-8x-9

There are no points of inflection.

400

Find the first derivative of the following function:

x^3+y^3=1

(dy)/(dx)=-(x^2)/(y^2)

400

Find the critical point(s) of this function:

f(x)=x^(4/5)(x-4)^2

x=0, x=1.143, x=4

400

Find the global min of the following function:

 f(x)=xe^(-x^2/8) on  [-1, 4] 

Global min: (-1, -0.882)

400

Find the point(s) of inflection of this function:

f(x)=x^4-x^3-3x^2+4

x=1/2 and x=1

500

Find the first derivative of the following function:

1+x=sin(xy^2)

dy/dx=(1/cos(xy^2)-y^2)/(xy)

500

Find the critical point(s) of this function:

f(x)=x^2e^(-3x)

x=0 and x=2/3

500

Find the global min of the following function:

 f(x)=x^4-2x^2-3 on  [0, oo) 

Global min: (1, -4)
500

Find the point(s) of inflection of this function:

f(x)=-3/(16)(x-1)^(4/3)-3/2(x-1)^(1/3)+2

x=1 and x=5