Math Is Fun Forum

box_____

Member

Registered: 2014-06-16

Posts: 2

Application of Quadratic Functions: Sketching Supply curve?!

The supply function for a certain product is given by P(x)=0.01x^2 + 0.1x + 3. P is the wholesale price unit in dollars and x is the quantity that will be supplied in units of thousand.

Sketch the corresponding supply curve.

What is the lowest price the supplier will make the product available in the market?

Bob

Administrator

Registered: 2010-06-20

Posts: 10,643

Re: Application of Quadratic Functions: Sketching Supply curve?!

hi

Here is a link to the Maths Is Fun grapher, with your function set up.

http://www.mathsisfun.com/data/function … + 0.1x + 3

Quadratics have a typical U shape and I was expecting that the lowest point would be in positive values of x.  As it is not, that makes the question a little odd, as the lowest P (with x non negative) is when x = 0, ie make none.  Are you sure you have typed the correct values for the quadratic?

How would you sketch this without a grapher ?  Well it depends on what you have been taught. 

There's a wealth of educational material on this; starting with

http://www.mathsisfun.com/algebra/quadr … ation.html

Hope that helps.

Bob

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Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: Application of Quadratic Functions: Sketching Supply curve?!

Hi;

Did you mean .01x^2 - 0.1x + 3 ?

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