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January 31, 2015

January 31, 2015

Posted by **Max** on Monday, July 21, 2008 at 10:19am.

the answers are either

a)The local maximum is about –13.627417. The local minimum is about 31.627417.

b)The local maximum is about 31.627417. The local minimum is about –13.627417.

c)The local maximum is about 13.627417. The local minimum is about –31.627417.

d)The local maximum is about 22.627417. The local minimum is about –22.627417.

my calculator isn't working so i don't know what to do. Thanks for any help.

- Math-Graphs -
**Dr Russ**, Monday, July 21, 2008 at 11:10amThere is no need for a calculator.

The min or max are at x=+/-sqrt(2)

so I get

Maximum is 32.62742 (x=-(2^0.5)

Minimum is -13.6274 (x=2^0.5)

which is a)

But check my working.

- Math-Graphs -
**Max**, Monday, July 21, 2008 at 11:19amI see. thank you!

- Math-Graphs -
- Math-Graphs -
**Jawasski**, Monday, March 28, 2011 at 12:16amy=-3x^2+9x-1

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