Question

se f(x) = 2x², encontre f(x + h)

Answer 1

$f(x)=2x^2$

$f(x+h)=2(x+h)^2$

$f(x+h)=2(x^2+2xh+h^2)$

$f(x+h)=2x^2+4xh+2h^2$