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1. = f(), , , > 0,

| f () | ≤ M. , = = - .

2. = f(), , - 1, 2 1< 2 :

1) f(1) < f(2),

( );

2) f(1) > f(2),

( );

3) f(1) ≤ f(2), ;

4) f(1)f(2), .

, , .

3. = f(), , - :

1) f(-) = f(), .

2) f(-) = - f(), .

, - .

, y = x2, y = cos x, y = ln |x| - , y = sin x, y = x3 - .

, . , y = x - 2, y = - .

4. = f(), , , > 0, ( + ) f ( + ) = f (). . , y = sin x, y = cos x - = 2π.

= f() Y. y Y , x = φ (y) Y . φ(y) f(). , =f() x = φ (y) . x = φ (y), = f() f () = .

: 1. ;

2. , [- 1, 1], , [0, 1]

, = f() , f() Y. , - ( ) . , = f() = φ() .

z = φ () Z, Z = f(z) Y, = f[φ ()] , z .

, , (-∞, 0) (-1, +∞), = f (z) = , z = φ () = .





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: 2015-10-19; !; : 899 |


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, - , ; , - .
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