Jawab:
d. 2
Penjelasan dengan langkah-langkah:
f(x) = x^2 - 2x + 8
f(x - 1) = (x - 1)^2 - 2(x - 1) + 8
= x^2 - 2x + 1 -2x +2 + 8
= x^2 - 4x + 11
sumbu simetri = - b/2.a
b = -4 ---> dari persamaan x^2 - 4x + 11
a = 1 ------> dari persamaan x^2 - 4x + 11
- b/2.a = - (-4)/2.1
= 4/2 = 2
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Jawab:
d. 2
Penjelasan dengan langkah-langkah:
f(x) = x^2 - 2x + 8
f(x - 1) = (x - 1)^2 - 2(x - 1) + 8
= x^2 - 2x + 1 -2x +2 + 8
= x^2 - 4x + 11
sumbu simetri = - b/2.a
b = -4 ---> dari persamaan x^2 - 4x + 11
a = 1 ------> dari persamaan x^2 - 4x + 11
- b/2.a = - (-4)/2.1
= 4/2 = 2