This water tank has dimensions as shown, in metres. 1. Show that the volume of the tank, V m3, is given by the formula V = x3 – x2 x- 1 2. Draw the graph of V against x for 2 5x55 by first copying and completing the table. 2.5 3 3.5 4 4.5 5 4 18 48 100 3. Usc your graph to cstimate the volume of a tank for which the basc arca is 16 m2. 4. What are the dimensions of a tank of volume 75 m3?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.2: Pyramids, Area, And Volume
Problem 43E
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This water tank has dimensions as shown, in metres.
1. Show that the volume of the tank, V m3, is given by
the formula V = x3 – x2
x- 1
2. Draw the graph of V against x for 2 5x55 by first
copying and completing the table.
2.5
3
3.5
4
4.5
5
4
18
48
100
3. Usc your graph to cstimate the volume of a tank for which the basc arca is 16 m2.
4. What are the dimensions of a tank of volume 75 m3?
Transcribed Image Text:This water tank has dimensions as shown, in metres. 1. Show that the volume of the tank, V m3, is given by the formula V = x3 – x2 x- 1 2. Draw the graph of V against x for 2 5x55 by first copying and completing the table. 2.5 3 3.5 4 4.5 5 4 18 48 100 3. Usc your graph to cstimate the volume of a tank for which the basc arca is 16 m2. 4. What are the dimensions of a tank of volume 75 m3?
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