diffrentiation

  1. P

    Applications of diffrentiation

    Here is a question that I got stuck in.. Can you please help me solve it.. A manager of a supermarket usually adds a mark-up of 20% to the wholesale prices of all the goods he sells.He reckons that he has a loyal core of F customers and that<if he lowers his mark-up to x% he will attract an...
  2. P

    Applications of diffrentiation

    Here is a question that I got stuck in.. Can you please help me solve it.. ((A manager of a supermarket usually adds a mark-up of 20% to the wholesale prices of all the goods he sells.He reckons that he has a loyal core of F customers and that<if he lowers his mark-up to x% he will attract an...
  3. R

    Diffrentiation

    I just need to know how what I have to do in each situation
  4. C

    Diffrentiation help needed!!

    1. A curve C has equation y=x^3 - 5x^2 + 5x +2 a) find dy/dx in terms of x b)The points P and Q lie on C. The gradient of C at both p and q is 2. The x coordiante of P is 3. i)Find the x coordinate of Q ii)Find an equation for the tangest to C at P, giving your answer in the form of y =mx + c...
  5. A

    Diffrentiation

    Differentiate (4x-1) * (4x-1)^0.5 I think im meant to use the product formula? But it doesn't work when i used it =( Any help would be appreciated :). Ty
  6. S

    3 ques regarding diffrentiation: Taylor Polynomial, Newton-Raphson

    any help will be appreciated. thanks!! :)