Question

Seja fa função de Rem R definida por f(x) = x2 - 6x
+ 3. Calcule f(1 - 13)​

Answer 1

$\mathsf{1-13=-12}\\\mathsf{f(1-13)=f(-12)=(-12)^2-6\cdot(-12)+3}\\\mathsf{f(-12)=144+72+3}\\\huge\boxed{\boxed{\boxed{\boxed{\mathsf{f(-12)=219}}}}}$