jika f(x)= x^ - 4x + 5 hitunglah f(x - 3)

f(x-3)=(x-3)^2 -4(x-3) +5
=(x^2 -6x+9)-4x+12+5
=x^2-10x+26

Mapel : Matematika

Kelas : 8, 10

Bab : Relasi dan Fungsi
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f(x) = x² - 4x + 5

f(x - 3) = (x - 3)²- 4(x - 3) + 5

f(x - 3) = x² - 6x + 9 - 4x + 12 + 5

f(x - 3) = x² - 10x + 26 ✔