, f x → x 0.
, , , D. f D , y = f (x), c ≤ y ≤ C.
loadGraphImg ("../../../../content/grapher/screensh/01030503.jpg", 350, 350, '', 'content/grapher/01030503.set', 'graph01030503', '', '', '');
1. | |
2. | |
3. | |
4. |
, - a, .
. a , , B > 0,
(4) |
x,
(5) |
, ε > 0 ,
(6) |
x,
(7) |
δ.
(8) |
, (5) (7) (4) (6).
, ε > 0
x δ- a.
.
. ε > 0 ; . ,
(9) |
(10) |
, (9) (10) , ,
. .
y = f (x) , x a, φ(x) ψ(x) , y = f (x) , ,
32.
[ a, b ]
. f (x) C[ a, b ] ( [ a, b ]) .
, n n [ , b ],
,
xn [ , b ] 0 :
.
|
|
.
.
f (x 0) M. f (x 0) , , f (x 0) = .
1)
:
2)
:
.
:
:
.
3)
:
4)
: