Math Help

Archive for May, 2011

Question: homework help plz on my math i have no idea about this kind of stuff!!?

Ok well I need you to go to the link to help explain how I graph these or graph it in and paint and show me where u did and stuff b/c everytime i go to graph i cant do it or i just mess up…im clueless sry i cant type out the wholeee worksheet so just look at the link and let me know how to get or how u got the answers ok? i dont think im asking that much considering some ppl ask wayy more than i do like 50 questions on their own math homework so please help me out..

http://tinypic.com/view.php?pic=17324k&s=4

Answer: If you put in one question, next time, we can tell how you do that one and then you apply those principles to the other question. Give us the question next time!

Right Brain Math: Times Table Overview & Fun Factor Sets

Question: Help With Math/calculus?

I am in calculus 151. I have worked a problem down to: (7-8x^2)/(x^3). I don’t know what to do from here. I feel as if it is easy, but I’m having some trouble.
I know I need to simplify and solve for x, but I’m not sure where to go from here.
That’s what I started with, and I got it to this. I go to Ohio State, and this is the first calculus for me. I just need to solve for x to find the domain.
Wow, I can’t believe I didn’t see that, I’m not thinking tonight, waaaay too many of these problems.. thanks a lot man

Answer: You sound like you might go to Rutgers, since that’s the name of Calculus 1 for engineers at Rutgers.

This is not really simplifying but you can write this as:

(7 – 8x^2)/(x^3) = (7/x^3) – (8x^2)/(x^3) = (7/x^3) – (8/x).

EDIT: If this is your function then the domain is trivial. It would just be all real numbers except 0. i.e.

(-infinity, 0)U(0, infinity)

Calculus – Derivative Intro Derivatives Intuitive Math Help What Is The Difference Quotient

Question: help, Math Homework Help.?

i tried doing these
problems but i did something wrong

1.15x+54-39x=-90
2. 23x+37-45x=-139
i did the whole process,
but when i was going to divide i would get a decimal?
my math teacher said if i got a decimal i did the problem wrong?

Answer: 15x+54-39x=-90
-24x+54=-90
-24x=-144
x=6
23x+37-45x=-139
-22x+37=-139
-22x=-176
x=8

Dividing Decimals – YourTeacher.com – Pre Algebra Help