Using the intermediate value theorem, determine, if possible, whether the function has at least one real zero

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Using the intermediate value theorem, determine, if possible, whether the function has at least one real zero between a and b.
a. f (x) = x3 - 2x2 + 3; a = -2, b = 0
b. f (x) = x3 - 2x2 + 3; a = -1/2, b = 1
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College Algebra Graphs and Models

ISBN: 978-0321845405

5th edition

Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna

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