Posted by Brad Paul on September 22, 2002 at 16:19:25:
In Reply to: Re: Precal functions posted by Brad Paul on September 22, 2002 at 16:17:20:
What is the area of the bottom of the box in terms of x?
We do not know the height of the side of the box. But that is OK we
will just call it h and write our equations as if we knew h's value.
What is the surface area of the four sides of the box?
What is the total surface ares of the open top box?
Stotal=Abottom + Ssides = x2+4*x*h
where Stotal=20 sq. units.
Now what is the volume of the box?
So we need to solve for h and plug it into our volume equation. I
suggest you do the algebra with just the letters then plug in the
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