Jika f(x)=|x-6| maka nilai dari f(2)+f(6)-2f(12)=

Kelas 10 Matematika.
Bab Nilai Mutlak

f(x) = |x - 6|

f(2) = |2 - 6|
f(2) = |-4|
f(2) = 4

f(6) = |6 - 6|
f(6) = 0

f(12) = |12 - 6|
f(12) = |6|
f(12) = 6

f(2) + f(6) - 2 . f(12)
= 4 + 0 - 2 . 6
= 4 - 12
= -8