Japanese study Youtube challenges Korean SAT mathematics

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Japanese study Youtube
131 million people
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Lying in the ELE in the thick 3GC
‘I’m translating 8
Hongbu
DDSX: O
YouTuber is this time
korea
SAT
Solving problems
It’s not a translation, but you have to look at the original text.
Hamguk Korean
: Ham 1596
21.
Natural number
Function f (z) frame
13-+2_ Mi
(7 <0)
f (R)
ILOGS (R
(1> 0
Arry
let’s do it
In mistake T
About
Equation F (R) = T
different
The silence of the real muscles 9 ()
The maximum value of the combined water g (t) is 4
Find the sum of all natural numbers n. [4 points]
lttiiiiiiii
[n@Anle RSYA
‘Natural number
[(R) 클
Let’s say
mistake
About
r Yes, equation for equation /(r) = t
(R <0)
Gasucle 9 of the real muscles (0ra
Function 9
The largest Lee 4 -ga
ILOG (R+4)
(R> 0)
‘
Natural number
Value
Get the combination rate. [4 points]
mmmnuu
IODX
In the “
Function (R)
mistake
For each other of each way
(R <0)
The repair of the other muscles 9 ()
The highest price of Hap and 9 (t)
ILOG (R+4)
(r> 0
So
All natural numbers
The sum of the value
Save
[4 points]
Read
There is people
Read more
‘4’ eyes
Customer ‘frame
Significant
Failed to be the same
‘The blocked
Range
Save
Similar to the same, hit it and start the grass
13*+2
(R <0)
f (z) =
ILOG2 (Z+4)
(Z>
Oh n 70
: 2 % Second 0 xe
Immiii
G (t): f (x) -to superficial O> jet
Natural number
About
‘f () rate
let’s do it . mistake
Equation J (R) = T
J (R)
(R <0)
The maximum value of the combination g (), which is called the permits of 9 () of other real muscles,
11OG, (R+4) -mi
(r> 0
So
Save the groom of the value of the natural number n
[4 points]
glusssdjes
‘Natural number n
J (R)
Let’s say. mistake
About -Avulsed F (R) = {
13*+2
‘(r <01
‘Other actual muscles
The more you are, 9 ()
Happiness 9 (t)
The maximum value is 4
Y (R) =
ILOGS (R+4)
(R> 0)
Degree
All natural numbers “
Save Haru
[4 points]
9 (t) 4
Range
Saving
Non -low
I think it is
It is close to the country =
Hisle: 2CNKG
Answer 2 I did it
bout
sifter
Self -employment
About
‘f (R)’
83F3
In fact almost
It’s matched
Match the word hunt
ULEGEHSD
B3HE
~ (A) all
The coefficient of the best port
Three -time function
All
J (R) = J () +(1
-1) J ‘(9 (z)) is
Functions 9 (z) in a series of sets
Conditional all
Satisfaction
‘U (R)
Chilly
J (4) Uh
Value
Save [4 points]
‘J (9 (i)) = 6
What is 1
J (R) and

Resignation
Truth
5
(B) Function G (Show) Choi Male
am
2
G (*what is 5/2 Ranon is not detoxified
(A) all
The coefficient of the highest car port is 1 person
Sleeper /Ji) and the whole mistake
J ()
J (1) + (Show-I) F ‘(9 (R)) is
Signs in the house
Function 9 () shall be satisfied with the following conditions
‘9 (R)
J (4) Uh
autumn
Save
[4 enemies]
‘f (o)
, f (9 (1))
But the front
Through the word ‘function’
Raw
Champion
But’Secams
Wonji frame
I don’t know
But continue
It doesn’t work
In the end, the tribe is atom
Hunt
Three -time function
@cam? -} product @Sim
IS
[8josllse330a sog
Three -tier function
Knowing it
It’s a 3rd function
1 ‘3’
In particular X, 1*d18dd83
‘(A) About all mistakes
The three -tier function f (R) with the coefficient of the highest car port is a mistake
Overall
) = J (1) +(R-1) f'(9 (r)) is
The function G (show), which is a series of consecutive sets, will be satisfied with the following conditions
9 (R)
Live
J (4)
Find the value [4 points]
(C) f (o) =
3, T (A (i)) = 6
Three -tier function
Loosening
Best car
Coefficient
talking
Equal
Custom =
1 bone
The best of G (t)
4
Yu XLIU
5
3 bones
The minimum value of g () is
2
#? Liu
Similar in the problem
There was a word
Out
Beginning of reasoning
4A (t)
Because there is no maximum value
Choi? It seems to be a value
Starting country
U 0) Poongson
Y-AX+BES3E
X = 5/2
f (x)-(x-i) (x-5/2) 2+ (AX+B)
F (0) =-3*0 b = 13/4
[YZK above a @Moon NGOEUODRP
It is a difficult problem without birds in Japanese
[ADABDIDDG
Solving in a shaply
Upper country
Chae W C: R5TTE;
Three -tent: 3 back hole
Three -tier function
Still not to use it
Receiving soup
10 Neol 9k One 1002JVJI Moonki
[Light Ooe P
The coefficient of the best port
1 Three-tier function: 3 x ~-
still
Three -time function
Thanks to Hant
Other things
I’m not glad to be released =