Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 13 - Review - Exercises: 22

Answer

-4

Work Step by Step

If $f(x) =2x^2-1$, then $f'(x) = 4x$ $f'(-1) = 4 \times (-1) = -4$
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