6) Solve the following inequalities. a) x³ – 7x – 6 < 0 b) –2x³ + 8x² – 8x < 0 - -

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.9: Area Problems
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6) Solve the following inequalities.
a) x³ – 7x – 6 < 0
b) –2x3 + 8x? – 8x < 0
7) An open-top box is constructed from a piece of cardboard 50 cm × 40 cm by
cutting congruent squares from the corners and then folding up sides. A side of
each square is x cm. Determine the values of x for which the volume is equal to
6000 cm?. Show all steps of your solution.
Transcribed Image Text:6) Solve the following inequalities. a) x³ – 7x – 6 < 0 b) –2x3 + 8x? – 8x < 0 7) An open-top box is constructed from a piece of cardboard 50 cm × 40 cm by cutting congruent squares from the corners and then folding up sides. A side of each square is x cm. Determine the values of x for which the volume is equal to 6000 cm?. Show all steps of your solution.
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