Homework Help: math

Posted by Jacob Gyan on Monday, December 10, 2012 at 8:06pm.

judy wants to fence the sides of the yard in front of her house . She bought 60m of fence and wants the max area she can fence in . The quad function a(x)=-2x^2+60x, where x is the width of the yard in metres , represent area enclosed . Determine the max area possible , explain or show how you arrived at your answer .

math - Steve, Monday, December 10, 2012 at 11:47pm
as with any parabola ax^2+bx+c, the vertex is at x = -b/2a

so, here the maximum is achieved at x = 15.

Answer this Question

Related Questions

Calc 1 - An 8 foot tall fence seperates Larry's yard from Evan's yard....
math - A rectangular play yard is to be constructed along the side of a house by...
math - Cathy and Judy bought some postcard packets.altogether there were 48 ...
Applied Calculus - A hardware store owner chooses to enclose an 800 square foot ...
math - a farmer is building a fence around his yard. one side of the fence will ...
math - a farmer is building a fence around his yard. one side of the fence will ...
math - dale have decided to fence off the garden plot behind his house, using ...
College Algebra - a hardware store owner chooses to enclose an 800 square foot ...
math - jhon needs to bulid a fence around his yard , which is 96 ft. wide and ...
Calc-optimization - Ann wants to build an enclosed area behind her house. One ...

For Further Reading

First Name:
School Subject:
Answer: