****in sucks brah. Hard way to learn a lesson about a specific prof. At least now you know to do everything exactly his way.
You could always take it up with the dean, I mean, a right answer is a right answer! amirite?!?!


09232010, 09:39 PM #121

09232010, 09:48 PM #122

09232010, 09:49 PM #123
Thing is I've had him for two algebra classes before and he wasn't even near this bad. I made an A in his class in the spring, I had to bust my ass for it, but it wasn't this crazy.
I can see how me getting the right answer with no work done would merit me not getting credit, but it was pretty ****ing obvious that I knew the concept and how to use it.
If I don't get at least a B I'm definitely taking it up with the dean. I requested a copy of this test because we had to turn them back for some reason. Hopefully I can show it to him.
And for reference, all points where where the slope of f(x) = 0 is the same where f'(x) = 0, right?

09232010, 09:52 PM #124

09232010, 09:54 PM #125

09232010, 09:58 PM #126

09232010, 10:00 PM #127
 Join Date: Sep 2007
 Location: Tallahassee, Florida, United States
 Posts: 25,761
 Rep Power: 25845
lol should have learned that in precalc brah. if 0/0=1 that would also imply that infinity/infinity=1
you will learn towards the endish when you talk about l'hopital's rule why it is important. (although you don't use it in this situation i don't know why i brought it up in the other thread)**** Football Crew
TB Lightning

09232010, 10:04 PM #128

09232010, 10:04 PM #129

09242010, 07:45 AM #130
Ok...
I'm having a mind melt down trying to sort this all out.
I'll just rip this off wiki. My knowledge of continuous functions isn't solid so hopefully MiscMath can sort this out.
If two functions f and g are continuous, then f + g, fg, and f/g are continuous. (Note. The only possible points x of discontinuity of f/g are the solutions of the equation g(x) = 0; but then any such x does not belong to the domain of the function f/g. Hence f/g is continuous on its entire domain, or  in other words  is continuous.)
But what I'm thinking is...
Say you have some function. f(x) = x. Pretty obvious this is continuous.
But do we change this into a discontinuous function by multiplying by .
It doesn't seem to make much sense to me... Are x and different functions?

09242010, 07:51 AM #131

09242010, 08:05 AM #132

09242010, 09:44 AM #133

09242010, 09:50 AM #134

09242010, 10:18 AM #135

09242010, 10:39 AM #136

09242010, 10:39 AM #137

09242010, 10:41 AM #138

09242010, 01:23 PM #139
I think we had 2 perfect As, the rest were BsFs, lots of Ds and Fs. I think like 1/3rd the class was missing today. Guessing they dropped.
http://www.google.com/images?hl=en&q...w=1280&bih=619"Watch your thoughts, for they become words. Choose your words, for they become actions. Understand your actions, for they become habits. Study your habits, for they will become your character. Develop your character, for it becomes your destiny."

09242010, 02:43 PM #140

09242010, 02:57 PM #141

09242010, 03:40 PM #142
Something wrong with the way youre thinking about this. If you split a dollar between no people, how much money to they get? Doesn't make sense, there is no "they".
Mathematically, if 1/0 is not 0, then all numbers are equal. Proof: Exercise . You can define a system of numbers with this property, but it isn't very interesting.
0/2? If john and Alice make x dollars and split it, they each get x/2 dollars. They end up getting 0/2 dollars a piece. But since they made a total of 0 dollars, 0/2=0.** Official Math Thread http://goo.gl/VpMlfQ **

09242010, 07:07 PM #143
What do you get when you divide something by nothing?
1/0 = 1
2/0 = 2
3/0 = 3
You get exactly what you started out with, because you haven't divided it by anything. There's nothing to divide the original number by, so it's still a whole number.
What do you get when you divide 0 by something? You can't because there wasn't anything to divide in the first place. It's impossible.
These 2 rules really need to be switched."Watch your thoughts, for they become words. Choose your words, for they become actions. Understand your actions, for they become habits. Study your habits, for they will become your character. Develop your character, for it becomes your destiny."

09242010, 07:11 PM #144

09242010, 07:36 PM #145

09242010, 07:57 PM #146
When you're dividing by numbers smaller than 1, you can't think of it as dividing up the pizza. I wish I could take a pizza, decide I'm cutting it into half a slice, and wind up with 2 pizzas. That would rule. Think of it like this.
How many slices of size 0.5 can you pull out of the pizza? 2. 1/0.5 = 2.
How many slices of size 0.1 can you pull out of the pizza? 10. 1/0.1 = 10.
How many slices of size 0 can you pull out of the pizza? As many as you want. Go for the rest of your life if you want. And that's why it's infinite.

09242010, 07:59 PM #147

09242010, 08:27 PM #148

09242010, 08:44 PM #149

09252010, 04:26 AM #150
If you have a pizza and cut it into zero slices? A pizza already is "one slice." So then, you couldn't have it to being with if is cut into 0 slices. Secondly when you add up all your parts of the "pizza" (mathematicians would call this a partition) you need to get back the whole "pizza". If 1 pizza is divided into 0 slices, this means that you now HAVE 0 slices of pizza. So adding up all 0 slices should give you what you started with... Again, it makes no sense.
No, but the limit as x approaches 0 of 1/x^2 is infinity. "1/0 = infinity" is okay for calculus I suppose, but I wouldn't write it, just think it. Here's one example: what is the limit as x goes to 0 of 1/x? Its not infinity.Last edited by MiscMathematician; 09252010 at 04:37 AM.
** Official Math Thread http://goo.gl/VpMlfQ **
Similar Threads

the "drpurples' comeinandhaveachat thread"
By drpurple in forum MMA FightingReplies: 20Last Post: 10132008, 02:24 PM 
Today is my birfday (come in and have some cake)
By MikeThePickle in forum Misc.Replies: 24Last Post: 07102008, 08:17 PM 
dumb laws thread. lol come in and have a laugh
By aserecuba in forum Misc.Replies: 24Last Post: 02282004, 09:21 PM 
First time cutting, and have some quesitons.
By K.C. Sparrow in forum Workout ProgramsReplies: 5Last Post: 06152003, 09:40 PM 
First time cutting and have some questions.
By K.C. Sparrow in forum NutritionReplies: 2Last Post: 06152003, 06:02 PM
Bookmarks