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+--- Thread: Discovery Homework Help Kiosk! (/showthread.php?tid=2313)
Discovery Homework Help Kiosk! - pchwang - 02-01-2007
Well, I am a private tutor in NYC, and I often get a lot of questions that I have never heard about!
So, I decided that, after noticing the plethora of members who are still in High School or Middle School, I'd bring my tutoring to Disco, free of charge!!
A little resume:
-I have tutored Survey level Biology, World History, AP European History(M.E.H.), AP US History, Algebra I, II, and Geometry!
-I normally tutor two students after school, and I have 3 Peer-tutees during the school day.
-I have never done this over the internet.
-If you have a question, in an area not mentioned above, I CANNOT guarantee its accuracy, but I will try my best!
I am willing to:
-Answer quick, emergency questions.
-Answer specific questions
-Answer longer questions(results not guaranteed immediately!!)
-Give study advice
-Proofread essays (I will NOT write them for you.)
Disclaimer:
If you are using my services to cheat, then that is at your own choosing, and I will not be held responsible in any way, shape or form. When I approach all questions posted here, I am assuming that you are honorable enough to not be doing this to cheat, ie, run to the computer lab and PM elgatodiablo when you told your teacher you need the necessities.
Please post questions here, and I will get back to it EXACTLY one hour or more After it is posted to make it as cheat-proof as possible.
PLEASE REFRAIN FROM TURNING THIS INTO A DISCUSSION. If you feel like you know the answer to a question, PM that person. This thread will get cluttered, and it will impede the process.
Thanks!
UPDATE:
Please post the topic of your subject area, FOLLOWED BY the question. Makes my life much easier!
Discovery Homework Help Kiosk! - Spidervlad - 02-01-2007
Sweet. (^) means and "and" (^ upside down) means "or", right?
Discovery Homework Help Kiosk! - pchwang - 02-01-2007
Are you talking about Union and Intersection?
As in the "U" and the upside-down "U"?
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Just a general thing for everyone, please post the topic along with the question you are asking. Thanks!
:D
Discovery Homework Help Kiosk! - Spidervlad - 02-01-2007
Inequalities.
Discovery Homework Help Kiosk! - pchwang - 02-01-2007
Alright, I'm going to assume that you are talking about Union and Intersection, since that has to do with sets, and thus inequalities.
The reason why I'm doing this, I'll admit that I have never seen the caret used in inequalities before at all.
Union, or a (U) can be defined by employing TWO different sets, A and B.
The general txtbook definition is: "If A and B are sets, then the union of A and B is the set that contains all elements of A and all elements of B, but no other elements."
What this basically means is if you have two sets, in Union, you combine the two sets, but repeat NO numbers.
e.g.) Set A: {1,2,3,4,5,} and Set B: {4,5,6,7}
Union is abbrv. with U.
Thus, A U B = {1,2,3,4,5,6,7}
A union cannot contain ANY terms that are not in the sets that were combined.
Intersection, can be described the same way.
Txtbook definition is: If A and B are sets, then the intersection of A and B is the set that contains all elements of A that also belong to B (or equivalently, all elements of B that also belong to A), but no other elements.
This means that the Intersection is the set that groups all the SIMILAR terms in Set A and Set B together.
Intersection is abbrv. with this: ∩
e.g.) Set A: {1,2,3,4,5} and Set B:{4,5,6,7}
A ∩ B = {4,5}
An intersection CANNOT contain elements that were not originally in at least one of the sets.
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Additional Comments
Hope this helps! If not, feel free to PM me. I did not really know exactly what you were talking about, since I have never seen (^) before...Sorry if this is not it! :(
-diablo
Discovery Homework Help Kiosk! - Spidervlad - 02-01-2007
I wasn't sure, but I checked it out by asking a friend.
![[Image: f-345-15-ex-q.gif]](http://education.yahoo.com/homework_help/math_help/solutionimages/minialg1gt/4/1/1/minialg1gt_4_1_1_12_30/f-345-15-ex-q.gif)
This is an inequality, and, look if an inequality such as this one.3>c ^ 5<b > 4<a ^ 7>c
The ^ means and, so you simply say 3>C and 5<B
While the upside down arrow means OR, so 3>C or 5<B
When graphic an inequality on a number line, this can be critical, as AND means you have to combine the equations and everything in between could be the answer, or when it's "Or" you have to simply graph them differently.
Discovery Homework Help Kiosk! - pchwang - 02-01-2007
Wow...interesting. I have never seen the carat used like that before.
When I got to questions like that, I just used "and". My books never had the ^ either.
Interesting! Math minds at Work!! :D
Discovery Homework Help Kiosk! - McNeo - 02-01-2007
i have a question:
what is f(x)
and does it equal the gradient of a point, m (which is the letter for the gradient our teacher uses)
ive never understood the whole f(x) thing
Discovery Homework Help Kiosk! - pchwang - 02-01-2007
F(x) represents a function.
Just like this equation!
f(x)= 3x+5, where m=3, since m is the slope of this linear equation.
f(x) can also represent much more complicated functions.
But in General, f(x) describes ANY function f with a input of x.
Going back to our previous example, f(x)=3x+5 when x=5 would equal:
f(5)=3(5)+5=20
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Additional Comments
-If you have anymore questions, feel free to PM me.
-Post the subject area, THEN the question!
:D
Discovery Homework Help Kiosk! - McNeo - 02-01-2007
Thankyou very much, thats alot easier to understand in fewer words than my maths teacher described it:D