7) y = x + 13x¹° + 12;

7) $$y = x^6 + 13x^{10} + 12$$

Находим производную:

$$y' = (x^6 + 13x^{10} + 12)' = (x^6)' + (13x^{10})' + 12' = 6x^5 + 13 \cdot 10 x^9 + 0 = 6x^5 + 130x^9$$

Ответ: $$y' = 6x^5 + 130x^9$$