Find the local and global extrema to the nearest tenth for the graph of ƒ(x) = –x3 + 9x – 1. A.The local maximum is 9.4 at x = 1.7. The local minimum is –11.4 at x = –1.7. There is no global maximum or minimum B.The local and global maximum is 9.4 at x = 1.7. The local and global minimum is –11.4 at x = –1.7. C.The local maximum is 1.7 at x = 9.4. The local minimum is –1.7 at x = –11.4. There is no global maximum or minimum. D.

Advanced Engineering Mathematics
10th Edition
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Find the local and global extrema to the nearest tenth for the graph of
ƒ(x) = –x3 + 9x – 1.

A.The local maximum is 9.4 at x = 1.7. The local minimum is –11.4 at x = –1.7. There is no global maximum or minimum

B.The local and global maximum is 9.4 at x = 1.7. The local and global minimum is –11.4 at x = –1.7.

C.The local maximum is 1.7 at x = 9.4. The local minimum is –1.7 at x = –11.4. There is no global maximum or minimum.

D.

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