3 bil ganjil pertama = 1, 3, 5
f(1) = 1^2 + 2 x 1 -4 = 1 + 2 - 4 = -1
f(3) = 3^2 + 2 x 3 - 4 = 9 + 6 -4 = 11
f(5) = 5^2 + 2 x 5 -4 = 25 + 10 -4 = 31
(1, -1), (3, 11), (5, 31).
haha tanya yg lain juga ya
3 bil ganjil pertama = 1, 3, 5
f(1) = 1^2 + 2 x 1 -4 = 1 + 2 - 4 = -1
f(3) = 3^2 + 2 x 3 - 4 = 9 + 6 -4 = 11
f(5) = 5^2 + 2 x 5 -4 = 25 + 10 -4 = 31
(1, -1), (3, 11), (5, 31).
haha tanya yg lain juga ya