Ответ:
Объяснение:
1) y' = 35x^34
y'(3) = 35*3^34 = 5,8370136 × 10^17
2) y' = 3x^2 + 6x - 9 = 0 | :3
x^2 + 2x - 3 = 0
По Виета
x = -3 x = 1
+ - +
__-8______-3_________1_____9____
/ \ /
xmax xmin
y(-3) = (-3)^3+3*(-3)^2-9*(-3) - 3 = 24
y(9) = (9)^3+3*(9)^2-9*(9)-3 = 888 - ymax
5 5
3) S = ∫x^2 * dx = 1/3 * x^3 | = 125/3 - 8/3 = 39 кв.ед
2 2