Question

Sendo f(x) = 13x³ + 7x² – 9x + 73, temos f’(x) igual a:

Answer 1

$f(x)=13x^{3} +7x^{2} -9x+73\\ \\ \\ f'(x)=3\cdot 13x^{2} +2\cdot 7x-9+0\\ \\ \\ \boxed{f'(x)=39x^{2} +14x-9}$

:)