Thursday

March 26, 2015

March 26, 2015

Posted by **Ashley** on Sunday, October 14, 2007 at 5:04pm.

a. Write a formula for the volume of the box.

b. Find the domain of a.

- Math- Math Analysis -
**Reiny**, Sunday, October 14, 2007 at 5:48pm.................

. . . . .

. . . . .

. . . . . y

. . . . .

.................

------4x-------

let the length of the original rectangle be 4x (so that each of the smaller rectangles is x )

let the width be y

After it is folded, the volume would be

y(x^2)

but 8x + 2y = 20

or y = 10 - 4x

so Volume = (10 - 4x)x^2

for b. you ask "what is the domain of a"

there is no a

- Math- Math Analysis -
**Reiny**, Sunday, October 14, 2007 at 5:50pmlooks like my diagram did not come out correctly.

It was supposed to be a large rectangle 4x by y, divided into 4 equal rectangles each x by y

- Math- Math Analysis -
**adam**, Wednesday, August 20, 2008 at 8:06pm(-1,4)(5,8) into general equation form

- Math- Math Analysis -

**Answer this Question**

**Related Questions**

math - On a rectangular piece of cardboard with perimeter inches, three parallel...

geometry - On a rectangular piece of cardboard with perimeter 11 inches, three ...

College Algebra - On a rectangular piece of cardboard with perimeter 11 inches, ...

Geometry - On a rectangular piece of cardboard with perimeter 11 inches, three ...

Geometry - Ok Dr. Russ helped me find one part of the question, but I still can'...

math - in a rectangular with a perimeter of 30 inches two parallel and equally ...

math - in a rectangular with a perimeter of 30 inches two parallel and equally ...

Math--Please Help - A pizza box with a square base is to be made from a ...

math - A pizza box with a square base is to be made from a rectangular sheet of ...

Calculus - an open box is made by cutting out squares from the corners of a ...