Question

dada a função f(x)=(x-3)² calcule f(-2)

Answer 1

$f(x)=(x-3)^{2}\\\\f(-2)=(-2-3)^{2}\\\\f(-2)=(-5)^{2}\\\\f(-2)=(-1)^{2}\cdot5^{2}\\\\\boxed{\boxed{f(-2)=25}}$