Ответ:
23)f(x)=4x^3-2x-45
f'(x)=12x^2-2
f'(2)=12×4-2=46
24)
3x+2y=13
x-2y=-1
4x=12
x=3
y=2
x+y=3+2=5
25)
85%=0,85
5440÷0,85=6400
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Ответ:
23)f(x)=4x^3-2x-45
f'(x)=12x^2-2
f'(2)=12×4-2=46
24)
3x+2y=13
x-2y=-1
4x=12
x=3
y=2
x+y=3+2=5
25)
85%=0,85
5440÷0,85=6400