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help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 18:55:05
Ohh ok
1
0
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help-10
8e29b8aba6d34c4fb63219ee2629cc4f
485,903,210,272,391,200
dldh06
03/27/2022 18:56:28
So for instance, y = 5x, the inverse is y = (1/5)x, f^(-1)[f(x)] means plug in the function f(x) into f^-1
0
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help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 18:56:52
Ok let me try understand
1
0
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help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 18:57:29
So 5x(-1)?
1
0
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 18:57:49
Or 5(-1)?
1
0
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
485,903,210,272,391,200
dldh06
03/27/2022 18:59:20
When I say something like f(3) = 3x - 4, do you know how to interpret that?
0
1
819,818,586,965,016,600
Jun♾
4094
Jun♾
false
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 18:59:32
Yh 3(3)-4
1
0
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
485,903,210,272,391,200
dldh06
03/27/2022 19:00:05
That's the same concept of f^(-1)(f(x))
0
1
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 19:01:10
Ok
1
0
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 19:01:26
So is f(x) 1/5?
1
0
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
485,903,210,272,391,200
dldh06
03/27/2022 19:02:14
For my example, f(x) = 5x and f^(-1)(x) = (1/5)x
0
1
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
485,903,210,272,391,200
dldh06
03/27/2022 19:02:36
As you mentioned, f(5) means plug in 5 for x, in the function f
0
1
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
485,903,210,272,391,200
dldh06
03/27/2022 19:03:24
So same idea for f^(-1)[f(x)], it means plug in f(x) for x in the function f^(-1)
0
1
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 19:04:48
So 1/5(-1)
1
0
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
485,903,210,272,391,200
dldh06
03/27/2022 19:06:06
Not exactly
0
1
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
485,903,210,272,391,200
dldh06
03/27/2022 19:06:21
f^(-1) is notation for inverse, right?
0
1
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 19:07:07
Yes
1
0
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 19:07:20
So 5(-1)
1
0
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
485,903,210,272,391,200
dldh06
03/27/2022 19:07:39
No
0
1
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
485,903,210,272,391,200
dldh06
03/27/2022 19:07:49
Why is there a -1?
0
1
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 19:08:04
Ok I’m confused in the notation
1
0
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
485,903,210,272,391,200
dldh06
03/27/2022 19:09:26
Here watch this https://youtu.be/uiMNvOPqrSM?t=345
0
1
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
485,903,210,272,391,200
dldh06
03/27/2022 19:10:23
About 5 minute watch starting from the location I linked it at
0
1
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 19:10:34
Ok sure
1
0
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 19:16:40
Ok I think I get it
1
0
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 19:16:44
Thanks for your help
1
0
null
null
null
null
null
1,526
help-10
8e29b8aba6d34c4fb63219ee2629cc4f
819,818,586,965,016,600
Jun♾
03/27/2022 19:16:57
.close
1
0
null
null
null
null
null
1,527
help-10
26430d2857374a6a80eb420dd9567c12
735,266,120,440,741,900
realRed
03/27/2022 20:43:11
May I get help with this, I am completely lost lol, prefferably a step by step help
https://cdn.discordapp.c…1478/unknown.png
unknown.png
1
0
null
null
null
null
null
1,528
help-10
b3f1cdb1109545d5908aa8126db3d0aa
538,553,894,423,494,660
Highdrogen
03/27/2022 21:07:52
Hello! I'm having trouble with understanding how to use the half-angle formulas (particularly if the formula should be negative or positive). The question states: cos(x)=-4/5, 180 degrees < x < 270 degrees
1
0
null
null
null
null
null
1,528
help-10
b3f1cdb1109545d5908aa8126db3d0aa
538,553,894,423,494,660
Highdrogen
03/27/2022 21:10:03
https://cdn.discordapp.c…27_180931938.jpg
IMG_20220327_180931938.jpg
1
0
null
null
null
null
null
1,528
help-10
b3f1cdb1109545d5908aa8126db3d0aa
538,553,894,423,494,660
Highdrogen
03/27/2022 21:10:45
I've worked it out and it seems to me that sin(x/2) should be negative, but other sources say otherwise without much explanation
1
0
null
null
null
null
null
1,528
help-10
b3f1cdb1109545d5908aa8126db3d0aa
538,553,894,423,494,660
Highdrogen
03/27/2022 21:11:31
Because since x is in quadrant 3, both sin and cos should be negative
1
0
null
null
null
null
null
1,528
help-10
b3f1cdb1109545d5908aa8126db3d0aa
538,553,894,423,494,660
Highdrogen
03/27/2022 21:34:13
@Helpers
1
0
null
null
null
null
null
1,528
help-10
b3f1cdb1109545d5908aa8126db3d0aa
261,933,205,387,477,000
riemann
03/27/2022 21:35:30
Other sources are wrong
0
1
null
null
null
null
null
1,528
help-10
b3f1cdb1109545d5908aa8126db3d0aa
538,553,894,423,494,660
Highdrogen
03/27/2022 21:57:19
So the answer here is right?
1
0
null
null
null
null
null
1,528
help-10
b3f1cdb1109545d5908aa8126db3d0aa
538,553,894,423,494,660
Highdrogen
03/27/2022 22:04:59
@riemann are you sure?
1
0
null
null
null
null
null
1,528
help-10
b3f1cdb1109545d5908aa8126db3d0aa
538,553,894,423,494,660
Highdrogen
03/27/2022 22:05:25
Because if both sine and cosine are negative, that would make tangent positive
1
0
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:14:04
The sum of the first 10 terms of a geometric series with a common ratio of –1 is 0. What is the first term?
1
0
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:14:29
I got 0, but this is multiple choice and that's not one of the answers
1
0
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:18:03
hi
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:18:13
ping me when you are ready
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:18:42
@dragon! hello! sorry ready for what?
1
0
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:19:04
ok you got the answer choices?
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:19:21
4, -4, 1
1
0
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:19:31
those are the choices?
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:19:35
mhm!
1
0
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:20:02
hm
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:22:27
they all should work
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:22:46
you can select multiple answers right?
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:23:15
right yes I'd assume so? Idk how to get those though
1
0
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:23:19
so
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:23:32
it says
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:23:54
the ratio is -1
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:24:03
which is also the rate
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:24:19
right
1
0
261,933,205,387,477,000
riemann
2529
riemann
false
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:24:38
so the number itself should alternate between it positive and negitive forms
0
1
261,933,205,387,477,000
riemann
2529
riemann
false
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:24:42
lets get 4 for example
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:24:46
so the first term is 4
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:25:00
next 9 terms would be
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:25:36
+4,-4,+4,-4,+4,-4,+4,-4,+4,-4
0
1
691,016,922,120,192,000
silenceandtears
5813
silenceandtears
false
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:25:40
right?
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:25:43
mhm
1
0
550,674,285,560,332,300
dragon!
3597
dragon!
false
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:25:45
well thats all 10
0
1
691,016,922,120,192,000
silenceandtears
5813
silenceandtears
false
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:25:53
and if we were to add all of them together
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:25:57
what would you get?
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:26:07
0
1
0
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:26:11
yep
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:26:25
so since those numbers would cancel out
0
1
691,016,922,120,192,000
silenceandtears
5813
silenceandtears
false
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:26:29
but then aren't all numbers possible?
1
0
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:26:31
it would work with any number
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:26:38
yes all numbers are posible
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:26:48
but since those are the answer choices they give you
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:26:54
ohhh
1
0
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:26:56
you would choose all of them
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:26:58
but
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:27:05
that only works for even terms
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:27:08
not odd
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:27:17
if it was 11 terms it would not add up to 0
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:27:33
right yes makes sense
1
0
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:27:39
okay thank you!!
1
0
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
550,674,285,560,332,300
dragon!
03/27/2022 23:27:40
is that it?
0
1
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:27:50
mhm!
1
0
null
null
null
null
null
1,529
help-10
d6c04571a38a4814b4690b36474513b5
691,016,922,120,192,000
silenceandtears
03/27/2022 23:27:52
.close
1
0
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
550,674,285,560,332,300
dragon!
03/27/2022 23:28:00
have a great day
1
0
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
631,332,219,343,994,900
moonsu
03/28/2022 01:28:35
how would you do this?
https://cdn.discordapp.c…reenshot_137.png
Screenshot_137.png
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
393,202,147,707,322,400
Glory
03/28/2022 01:29:22
Which question?
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
631,332,219,343,994,900
moonsu
03/28/2022 01:29:32
i need for number 61
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
393,202,147,707,322,400
Glory
03/28/2022 01:29:56
Ok what have u tried?
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
631,332,219,343,994,900
moonsu
03/28/2022 01:30:20
well since i got stuck on part a i did substitution for part b
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
631,332,219,343,994,900
moonsu
03/28/2022 01:30:41
i got 1/2* [1/(x^2+3)]0,-2
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
631,332,219,343,994,900
moonsu
03/28/2022 01:32:30
however
https://cdn.discordapp.c…reenshot_138.png
Screenshot_138.png
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
631,332,219,343,994,900
moonsu
03/28/2022 01:32:35
i dont know how they got 3, 7
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
393,202,147,707,322,400
Glory
03/28/2022 01:33:01
When ur substituting u
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
393,202,147,707,322,400
Glory
03/28/2022 01:33:19
U have to substitute the limits as well
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
393,202,147,707,322,400
Glory
03/28/2022 01:34:08
Ex when $x=0$ $u=x^2+3$ Plug in x and u will get it
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
510,789,298,321,096,700
TeXit
03/28/2022 01:34:10
**Glory**
https://cdn.discordapp.c…147707322382.png
393202147707322382.png
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
631,332,219,343,994,900
moonsu
03/28/2022 01:34:36
oh
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
631,332,219,343,994,900
moonsu
03/28/2022 01:34:39
dang
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
631,332,219,343,994,900
moonsu
03/28/2022 01:34:42
thank you
0
1
null
null
null
null
null
1,530
help-10
f478a4761bd04d7bae4ba3895c0f4d94
631,332,219,343,994,900
moonsu
03/28/2022 01:34:47
how do you do part 1 tho?
0
1
null
null
null
null
null