Question

Qual é a derivada de 10x ?

Answer 1

$f'(x)= \lim_{h \to 0} \frac{f(x+h)-f(x)}{h}$

$\lim_{h \to 0} \frac{10(x+h)-10x}{h} =\lim_{h \to 0} \frac{10x+10h-10x}{h} =\lim_{h \to 0} \frac{10h}{h} =\lim_{h \to 0} 10=$
$\boxed{10}$