Let f(x) = x4 + kx2, where k is a constant. Discuss the number of local extrema

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Let f(x) = x4 + kx2, where k is a constant. Discuss the number of local extrema and the shape of the graph of f if
(A) k > 0
(B) k < 0
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College Mathematics for Business Economics Life Sciences and Social Sciences

ISBN: 978-0321614001

12th edition

Authors: Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen

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