Use a graphing utility to graph the function. Find any turning points. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) y = x3 + 9x2 − 21x

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter9: Quadratic Functions And Equations
Section: Chapter Questions
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Use a graphing utility to graph the function. Find any turning points. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)
y = x3 + 9x2 − 21x
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