Ответ:
неравенство================================================
Объяснение:
Y = x^3/3 - 5/2*x^2 + 4x - 1
y ' = 1/3*3x^2 - 5/2*2x + 4 = x^2 - 5x + 4
y ' = 0 ==>
x^2 - 5x + 4 = 0
(x - 4) ( x - 1) = 0
x = 1
x = 4
+ max - min +
-------------( 1 ) --------------( 4) -------------> x
y(1) = 1<span>/3 - 5/2+ 4 - 1 = 0,8(3) max
</span>y(4) = 64<span>/3 - 40 + 15 = - 3,(6) min </span>
13 ГОРОДОВ,,,,,,,,,,,,,,,,,,,,,
<span><span>
45x=60(x-1,5)
45x=60x-90
15x=90
x=6
L=45x=45*6=270
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