Tolong bantu nomor 24 dan 25 ya, make caranya juga

24.A
f(x)= 1 – 4x – x²
5 = 1 – 4(-2) – (-2)²
5 = 1 + 8 – 4
5 = 9 – 4
5 = 5

25.E
y = x² + 2x – 3
5 = 2² + 2(2) – 3
5 = 4 + 4 – 3
5 = 8 – 3
5 = 5

(Maaf, langsung ke pembuktian :v)