Question

f(x)=x^2-2x-3 calcular f o f(2) ?

Answer 1

F(x)=x² - 2x - 3

Calcular: F(2)

F(2) = x² - 2x - 3
= 2² - 2(2) - 3
= 4 - 4 - 3
= -3

F(0) = x² - 2x - 3
= 0² - 2(0) - 3
= 0 - 0 - 3
= -3