Question

даю много баллов............

Answer 1

$1)y' = 3 {x}^{2} + \cos(x)$

$2)y' = {e}^{x}$

$3)y' = - \sin(x)$

$4)y' = 1 + \frac{1}{x}$

$5)V = S' = - 2 + 3 {t}^{2} \\ V(3) = - 2 + {3}^{3} = 27 - 2 = 25$

$a = V' = 6t \\ a(3) = 6 \times 3 = 18$