Lagi uh,buruan jawab ya​

Substitusi masing-masing:

f(2) = 2(2)²-7(2)-5

= 8-14-5 = -11

(2,-11) melaluinya

f(-1) = 2(-1)² – 7(-1)-5

= 2 + 7 – 5 = 4

Melalui (-1,4) [Tidak melalui]

f(-4) = 2(-4)² – 7(-4) – 5

= 32 + 28 + 5

= 65

Melalui (-4,65)

Jika benar 55, berarti tidak melalui.