Find the local extrema of the function f(x) =r³ – 3r² – 9x.

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
Chapter8: Introduction To Functions
Section8.8: Linear And Quadratic Functions
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Find the local extrema of the function f(x) = r³ – 3x² – 9x.
f(-1) = 5 local minimum; f(3) = –18 local maximum
...
(A
f(-1) = 13 local maximum; f(3) = -18 local minimum
...
(B
f(-1) = -13 local minimum; f(3) = -27 local maximum
...
f(-1) – 5 local maximum; f(3) --27 local minimum
...
Transcribed Image Text:Find the local extrema of the function f(x) = r³ – 3x² – 9x. f(-1) = 5 local minimum; f(3) = –18 local maximum ... (A f(-1) = 13 local maximum; f(3) = -18 local minimum ... (B f(-1) = -13 local minimum; f(3) = -27 local maximum ... f(-1) – 5 local maximum; f(3) --27 local minimum ...
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