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.
1. y=f(x) () , ( ) .
. , , , .
2.() f(x) () , ( ).
f(x).
1. f′(x) .
2. f(x), .. , f′(x) .
3. , f′(x) . .
4. f′(x) . f′(x)>0, f(x) ; f′(x)<0, f(x) .
2.
. = () f(x), f(a)>f(x) ( f(a)<f(x)) =.
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3. = =f(x) , : f′()=0.
, = =f(x), (;f()) .
.
4. f′(x) , f(x).
f(x).
1. f′(x).
2. f(x) .
3. f′(x) .
4. f(x) .
3.
f(x) , ; , .
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f(x) .
1. f′(x).
2. , (.. 1,2,n).
3. f′′(x).
4. ; , ; , .
4. .
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. =, (; f()).
. =, (; f()).
. () , () .
1. ( ). =f() , , - .
:
1. .
2. , .. , f″(x) .
3. , f″(x) . .
4. f″(x) . f″(x)>0, ; f″(x)<0, .
5. .
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2. ( ) f″(x) =, (; f()) =f().
f(x).
1. f″(x).
2. 2 .
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4. f(x) .
6. .
, .
, .
() () y=kx+b, k b :
=0, y=b.
7. .
- .
- , , .
- .
- .
- , .
- .
- .
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