Results 1 to 2 of 2

Math Help - another Functions help need please?

  1. #1
    Newbie
    Joined
    Dec 2009
    Posts
    12

    another Functions help need please?

    Statement:
    A company advertises on Radio and TV for its product. the profit based on these advertisement has been
    determine in 1000 is as P(x,y)=-2x^2-xy-y^2+8x+9y+10
    where x is the amount spent on Radio and y is the amount spend on TV respectively. How much money should
    be spent on both advertisement to maximize the profit?

    Note: not-homework
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Senior Member
    Joined
    Jan 2010
    Posts
    354
    The maximum profit occurs where the gradient equals zero, or in other words, where both the partial derivative wrt x and the partial derivative wrt y are zero at the same time.

    Knowing this, can you solve this problem?
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 0
    Last Post: April 15th 2010, 06:50 PM
  2. Replies: 3
    Last Post: February 23rd 2010, 05:54 PM
  3. Replies: 11
    Last Post: November 15th 2009, 12:22 PM
  4. Replies: 7
    Last Post: August 12th 2009, 05:41 PM
  5. Replies: 1
    Last Post: April 15th 2008, 10:00 AM

Search Tags


/mathhelpforum @mathhelpforum