CalcBC and CalcAB
ASN
CalcBC
and
CalcAB
Apply the derivative
Due:
02(A) & 03(B) March 2010
Read each line of information carefully.
I did a bit of editing in an attempt to guide you through the
language used by the College Board people.
Hear me when I say
(Okay that is awkward to "say"
when I am writing
to you, but you know what I mean!)
this problem is not hard; it is
different
.
What makes it different is the geometry involved; you need to work with an isosceles triangle.
The trough shown in the figure is a triangular prism.
It is 5 feet long;
that is the distance between the triangular base ends, the height of
the prism.
Its vertical cross sections (in other words, the base ends) are
inverted isosceles triangles with base 2 feet
and height 3 feet.
In order for the drawing to show a threedimensional shape fairly well
the trough was tilted.
The problem with that is now the
shape of the
surface of water in the trough (shaded region) does not appear to be
a rectangle like it really is
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 Spring '10
 KNOPF
 Derivative, triangle, 2 feet, shaded region, trough, actual trough

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