Question

funçao f(x)=x²-5+6 calcule f'(1)​

Answer 1

Resposta:

$( {x}^{2} - 5 + 6) = \\ ( {x}^{2} - 1) = 2x \\ \\ f(1) = 2x \\ f(1) = 2(1) = 2$