Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,435 questions

17,804 answers

1,438 comments

97,180 users

Differentiation help?

0 votes

A=((pi + 4)x^2 - 2560x + 409600)/pi)
Hence find the values of x for which A is minimum and maximum

 
 
asked Oct 4, 2014 in PRECALCULUS by anonymous

1 Answer

0 votes

The function is image.

Apply first derivative with respect to x.

image

image

Apply second derivative with respect to x.

image

image

To find the critical numbers image.

image

image

image

image.

If f " (c) > 0 (positive) ------> minimum point.

If f " (c) < 0 (negative) ------> maximum point.

image

answered Oct 4, 2014 by casacop Expert

Related questions

asked Nov 5, 2014 in CALCULUS by anonymous
asked Jul 23, 2014 in CALCULUS by anonymous
asked Nov 5, 2014 in CALCULUS by anonymous
...