Question

F (x) = x² - 2x -3
Para -2, -1, 2 e 3

Answer 1

F(-2)= -2² -2.-2 -3= 5
F(-1)= -1² -2.-1 -3= 0
F(2)= 2² -2.2 -3= -3
F(3)= 3² -2.3 -3= 0