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TODAY's MATH QUESTION |
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Dale Clifford
Optics Jedi Knight Joined: July/04/2004 Location: United States Status: Offline Points: 5087 |
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expand x in f and g
f(x)=x*3+15x*2-16x-240
g(x)=x*3*3x*2-88x
find roots with TOL set to 10*-11
g(x)=6.3x10*-6
f(x)=4 of course Edited by Dale Clifford - February/10/2010 at 19:37 |
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tahqua
MODERATOR Have You Driven A Ford Lately? Joined: March/27/2006 Location: Michigan, USA Status: Offline Points: 9042 |
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-4
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Monster
Optics Master Joined: December/16/2008 Location: So. Cal Status: Offline Points: 2031 |
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I would say c two by the fact that the graph of g(x) is just 4 units shifted up form f(x). It is not a horizontal shift because a horizontal shift effects the inputs not the outputs. A horizontal shift would be of the form g(x)=f(x+4) for example. Thus I think that the difference between f(x) and g(x) is the graph of g(x) is shifted vertically up 4 units...Am I right?
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"Get Busy Livin' or get busy dyin'" -Red (Shawshank Redemption)
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mike650
Optics God Joined: May/14/2006 Location: West of Rockies Status: Offline Points: 14569 |
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“A hunt based only on trophies taken falls far short of what the ultimate goal should be.” – Fred Bear
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Kickboxer
MODERATOR Moderator Joined: February/13/2008 Status: Offline Points: 23679 |
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Simplicity it the best course... don't make the problem more difficult than it is. You are merely looking at the result of graphing a function, then visualizing the result of translating that function... You let me fool you, it is a matter of inspection only...
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Opinion,untempered by fact,is ignorance.
There are some who do not fear death... for they are more afraid of not really living |
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Ed Connelly
Optics Retard God of no Chihuahua Joined: December/16/2007 Location: USA Status: Offline Points: 24225 |
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Kickboxer
MODERATOR Moderator Joined: February/13/2008 Status: Offline Points: 23679 |
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Kirk's reply is correct... it was not posted when I began the "answer". I had some strange problems with OT yesterday, could not access all day.
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Opinion,untempered by fact,is ignorance.
There are some who do not fear death... for they are more afraid of not really living |
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Bigdaddy0381
MODERATOR Georgia peach Joined: February/27/2007 Location: Georgia Status: Offline Points: 13682 |
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Hello, I got 2 too!!!! HeHeHe I'm lost where I wrote it out. But in simple the swerve line crosses the horizontal line twice |
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P&Z Firearms , Pro gun cleanings and gun repair and wood refinishing.
Ecclesiastes 10:2 |
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SVT_Tactical
MODERATOR Chief Sackscratch Joined: December/17/2009 Location: NorthCackalacky Status: Offline Points: 31233 |
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We get one for today? |
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Dale Clifford
Optics Jedi Knight Joined: July/04/2004 Location: United States Status: Offline Points: 5087 |
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oops I was expanding in x , when should have been zagging in y,, Is the the turning point on the y axis an value 4 or value 5??
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Kickboxer
MODERATOR Moderator Joined: February/13/2008 Status: Offline Points: 23679 |
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lost me...
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Opinion,untempered by fact,is ignorance.
There are some who do not fear death... for they are more afraid of not really living |
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Kickboxer
MODERATOR Moderator Joined: February/13/2008 Status: Offline Points: 23679 |
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Opinion,untempered by fact,is ignorance.
There are some who do not fear death... for they are more afraid of not really living |
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Monster
Optics Master Joined: December/16/2008 Location: So. Cal Status: Offline Points: 2031 |
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my answer is 7. (-4,-3,-2,-1,0,1,2,) Edited by Monster - February/11/2010 at 21:48 |
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"Get Busy Livin' or get busy dyin'" -Red (Shawshank Redemption)
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Dale Clifford
Optics Jedi Knight Joined: July/04/2004 Location: United States Status: Offline Points: 5087 |
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lost here also, if a shift up only gives 2, then the function isn't intersecting at fifteen anymore and doesn't qualify as a continous function. the orginal functions are written as continous functions not discontinous with upper or lower limits.
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Dale Clifford
Optics Jedi Knight Joined: July/04/2004 Location: United States Status: Offline Points: 5087 |
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HBar
Optics GrassHopper Joined: November/20/2009 Location: N. Texas Status: Offline Points: 46 |
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F |
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"Ain't got time to bleed"
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Urimaginaryfrnd
MODERATOR Resident Redneck Joined: June/20/2005 Location: Iowa Status: Offline Points: 14964 |
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Quick somebody find us a 5th grader.
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"Always do the right thing, just because it is the right thing to do". Bobby Paul Doherty Texas Ranger |
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creator
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two is the answer right....
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Kickboxer
MODERATOR Moderator Joined: February/13/2008 Status: Offline Points: 23679 |
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For the original question, 2 is correct, I gave the answer above. AND, we are only evaluating between -5 and 15 on the number line.
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Opinion,untempered by fact,is ignorance.
There are some who do not fear death... for they are more afraid of not really living |
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Bigdaddy0381
MODERATOR Georgia peach Joined: February/27/2007 Location: Georgia Status: Offline Points: 13682 |
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BOOYA I got it right.....
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P&Z Firearms , Pro gun cleanings and gun repair and wood refinishing.
Ecclesiastes 10:2 |
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