Domain of a function
Figuring out the domain of a function
Duration : 0:9:58
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July 3rd, 2009 at 11:21 pm
What I would like …
What I would like to know is why this is the first result when you search for ‘funions’ on youtube.
July 3rd, 2009 at 11:21 pm
hey thanks….just …
hey thanks….just outta curiosity, do you have a vid like this on finding range or can you direct me 2 a video on this. Thanks!
July 3rd, 2009 at 11:21 pm
this is scary if u …
this is scary if u read this this far u will die in 10 days if u dont send to any 15 videos in 2 hours SORRY x .
July 3rd, 2009 at 11:21 pm
in the last example …
in the last example 1/2 is not an even or odd number but it is a real number. Your domain in this example is wrong.
July 3rd, 2009 at 11:21 pm
Forgive me if I’m …
Forgive me if I’m wrong, but on that last question, isn’t the domain the set of all INTEGERS such that x is not equal to 1?
July 3rd, 2009 at 11:21 pm
can you find domain …
can you find domain and range of y=2x^2-x? thanks a lot.
July 3rd, 2009 at 11:21 pm
absolute value?
absolute value?
July 3rd, 2009 at 11:21 pm
The last problem …
The last problem was tricky! almost got me
July 3rd, 2009 at 11:21 pm
thanks!
thanks!
July 3rd, 2009 at 11:21 pm
thank you, you …
thank you, you always get me through my math and physics homework. thx agian
July 3rd, 2009 at 11:21 pm
thank you sooooo …
thank you sooooo much!
July 3rd, 2009 at 11:21 pm
ty, saved my grade …
ty, saved my grade
July 3rd, 2009 at 11:21 pm
I can’t stand my …
I can’t stand my math teacher, he didn’t teach us this, he just gives us paper, does 1 example. And expects us to get an A+
I need help on how to graph dilations/translations
Thanks your very helpful =)
July 3rd, 2009 at 11:21 pm
u have a lot of …
u have a lot of time to be doing this. thank you tho for real i got this take home quiz and ive been falling behind. good man u r. peace.
July 3rd, 2009 at 11:21 pm
YOU ARE AWESOME! …
YOU ARE AWESOME! Now I can hope I get perfect in tomorrows test!
July 3rd, 2009 at 11:21 pm
for y=x^2, y is a …
for y=x^2, y is a function of x or y=f(x)=x^2 because if you input any x into the f(x)=x^2, you get a unique value. For x=y^2, x is a function of y for the same reason (x=f(y)=y^2) but y is not a function of x. For x=y^2, if x=4, then y could be +2 or -2 so you don’t get a unique y.
July 3rd, 2009 at 11:21 pm
Sal; can you help …
Sal; can you help me understand how to determine if a relation is a function or not, like y=x^2 vs. x=y^2 one is a function and one is not,i’m haveing a hard time deciphering the info. also; could f(x) be considered y when x is in the relation? thanks, Tim
July 3rd, 2009 at 11:21 pm
instructive useful …
instructive useful …..awesome…thanks my friend…………
July 3rd, 2009 at 11:21 pm
i love u….
i love u….
July 3rd, 2009 at 11:21 pm
Beautiful !
Beautiful !
July 3rd, 2009 at 11:21 pm
That cool little E …
That cool little E means that x is an element of the real… E for element….
July 3rd, 2009 at 11:21 pm
This is awesome
… 
I’m in pre-cal now, and I’m starting to love this kind of weird stuff 
I’ll definitely show my math teacher; maybe we’ll use one of your vids in class 
Peace, you rock.
This is awesome
July 3rd, 2009 at 11:21 pm
ty… but dam pen!! …
ty… but dam pen!!!! ahhahahahhaha
July 3rd, 2009 at 11:21 pm
ive been looking …
ive been looking for this forever!
well like, 2 days. but thanks it was great