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Re: i bombed a math test today :-(

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christmas2k14 is not online. christmas2k14
Joined: 24 Dec 2014
Total Posts: 3645
21 Jan 2015 09:01 PM
or maybe i did really well
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lion9031 is not online. lion9031
Joined: 27 Jan 2011
Total Posts: 14344
21 Jan 2015 09:01 PM
:(
Maybe you nuked it
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bambamman11 is not online. bambamman11
Joined: 23 Sep 2011
Total Posts: 42181
21 Jan 2015 09:02 PM
I can't imagine how bad 12th grade math must be
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Kokuen is not online. Kokuen
Joined: 13 Apr 2012
Total Posts: 7403
21 Jan 2015 09:02 PM
wow is 4th grade too hard

be a dragon
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drakeh is not online. drakeh
Joined: 08 Sep 2008
Total Posts: 7726
21 Jan 2015 09:03 PM
lowest grade on a test i ever got was a 42
oooh 7th grade

lets all have another orange julius
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christmas2k14 is not online. christmas2k14
Joined: 24 Dec 2014
Total Posts: 3645
21 Jan 2015 09:03 PM
"I can't imagine how bad 12th grade math must be"

not even 12th grade math, it's a math course from a college here. trying to get some freshman credits out of the way

it was hard
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Superdarkninja44 is not online. Superdarkninja44
Joined: 07 Oct 2012
Total Posts: 2176
21 Jan 2015 09:03 PM
"wow is 4th grade too hard"

Genius
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IValerian is not online. IValerian
Joined: 01 May 2013
Total Posts: 1588
21 Jan 2015 09:04 PM
You must be Kim Jong-un
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Kokuen is not online. Kokuen
Joined: 13 Apr 2012
Total Posts: 7403
21 Jan 2015 09:04 PM
honestly str8 a's aren't hard to get u know

be a dragon
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christmas2k14 is not online. christmas2k14
Joined: 24 Dec 2014
Total Posts: 3645
21 Jan 2015 09:05 PM
"wow is 4th grade too hard"

solve these

if f(x) = 1/x then f(a+h) = 1/a + 1/h

Let f(x) = 1/x. Obtain the expression for (f(a+h) - f(a))/h and simplify

If you can't solve these then you're the dumb 4th grader
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christmas2k14 is not online. christmas2k14
Joined: 24 Dec 2014
Total Posts: 3645
21 Jan 2015 09:06 PM
"if f(x) = 1/x then f(a+h) = 1/a + 1/h"

also this is a true/false question and work must be shown
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bambamman11 is not online. bambamman11
Joined: 23 Sep 2011
Total Posts: 42181
21 Jan 2015 09:07 PM
That's math
IF that had else it would be a damn computer program
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Boeing717 is not online. Boeing717
Top 25 Poster
Joined: 08 Jun 2008
Total Posts: 70007
21 Jan 2015 09:08 PM
[f(x+h)-f(x)]/h = -1/(x^2)
parentheses for more clarity, not for necessity
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Ouendan is not online. Ouendan
Joined: 20 Dec 2013
Total Posts: 30191
21 Jan 2015 09:08 PM
Zapping achievers get all the praise
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zacmaq is not online. zacmaq
Joined: 13 Jan 2013
Total Posts: 35194
21 Jan 2015 09:09 PM
if f(x) = 1/x then f(a+h) = 1/a + 1/h

Let f(x) = 1/x. Obtain the expression for (f(a+h) - f(a))/h and simplify


(1/a + 1/h - 1/a)/h

1/h/h=1
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Boeing717 is not online. Boeing717
Top 25 Poster
Joined: 08 Jun 2008
Total Posts: 70007
21 Jan 2015 09:09 PM
""if f(x) = 1/x then f(a+h) = 1/a + 1/h"

also this is a true/false question and work must be shown"

its false

if f(x) = 1/x then f(a+h) = 1/(a+h)
however 1/a + 1/h = (a+h)/(ah)
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christmas2k14 is not online. christmas2k14
Joined: 24 Dec 2014
Total Posts: 3645
21 Jan 2015 09:10 PM
"its false

if f(x) = 1/x then f(a+h) = 1/(a+h)
however 1/a + 1/h = (a+h)/(ah)"

boeing is correct
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bambamman11 is not online. bambamman11
Joined: 23 Sep 2011
Total Posts: 42181
21 Jan 2015 09:10 PM
boeing is superman
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zacmaq is not online. zacmaq
Joined: 13 Jan 2013
Total Posts: 35194
21 Jan 2015 09:11 PM
"[f(x+h)-f(x)]/h = -1/(x^2)"

Screw yo vertex formula, I'm enjoying my done-with-calc privilege

4
∫ x^3-(6/3)x^2-24x
3
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Boeing717 is not online. Boeing717
Top 25 Poster
Joined: 08 Jun 2008
Total Posts: 70007
21 Jan 2015 09:11 PM
also is that second question supposed to be the limit as h approaches 0?
because that's how i solved it
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quinn04 is not online. quinn04
Joined: 07 Jul 2011
Total Posts: 6988
21 Jan 2015 09:12 PM
how to do 1ftx029321312ea
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zacmaq is not online. zacmaq
Joined: 13 Jan 2013
Total Posts: 35194
21 Jan 2015 09:12 PM
"boeing is correct"

I thought you typed a problem and didn't look to see if it was based wrong or whatever

Screw boeing
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christmas2k14 is not online. christmas2k14
Joined: 24 Dec 2014
Total Posts: 3645
21 Jan 2015 09:12 PM
"also is that second question supposed to be the limit as h approaches 0?"

you just need to simplify the equation

here's the start:

[(1/a+h) - (1/a)]/h
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Kokuen is not online. Kokuen
Joined: 13 Apr 2012
Total Posts: 7403
21 Jan 2015 09:12 PM
no if i can't solve those i'm a grade below u lol

be a dragon
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Kokuen is not online. Kokuen
Joined: 13 Apr 2012
Total Posts: 7403
21 Jan 2015 09:13 PM
no need honestly i wouldn't be a 4th grader
i know you got these from your sister/dad/mom's workbook
it doesn't take an einstein to know that

be a dragon
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