Ответ: 1 ) k = f '(x₀) = - 11 ; 2 ) k = f '(x₀) = 8 ; 3 ) k = f '(x₀) = 7 .
Объяснение: k = f '(x₀) ;
1 ) f(x) = x² -15x + 1 ; x₀= 2 ; f '(x) = ( x² -15x + 1 )' = 2x - 15 ; f '(x₀) = 2*2 - 15 = -11 ; k = f '(x₀) = - 11 ;
2 ) f(x) = 2x² - 8x + 1 ; x₀= 4 ; f '(x) = ( 2x² - 8x + 1 )' = 4x - 8 ;
f '(x₀) = 4*4 - 8 = 8 ; k = f '(x₀) = 8 ;
3 ) f(x) = x³ - 5x ; x₀= 2 ; f '(x) = ( x³ - 5x )' = 3x² - 5 ;
f '(x₀) = 3*2² - 5 = 7 ; k = f '(x₀) = 7 .
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Ответ: 1 ) k = f '(x₀) = - 11 ; 2 ) k = f '(x₀) = 8 ; 3 ) k = f '(x₀) = 7 .
Объяснение: k = f '(x₀) ;
1 ) f(x) = x² -15x + 1 ; x₀= 2 ; f '(x) = ( x² -15x + 1 )' = 2x - 15 ; f '(x₀) = 2*2 - 15 = -11 ; k = f '(x₀) = - 11 ;
2 ) f(x) = 2x² - 8x + 1 ; x₀= 4 ; f '(x) = ( 2x² - 8x + 1 )' = 4x - 8 ;
f '(x₀) = 4*4 - 8 = 8 ; k = f '(x₀) = 8 ;
3 ) f(x) = x³ - 5x ; x₀= 2 ; f '(x) = ( x³ - 5x )' = 3x² - 5 ;
f '(x₀) = 3*2² - 5 = 7 ; k = f '(x₀) = 7 .