diketahui fungsi f(x) = (⅓)* . nilai f(4) - f(2)

Kelas 9 Matematika
Bab Akar dan Pangkat

f(x) = (1/3)ˣ

f(4) = (1/3)⁴
f(4) = 1/81

f(2) = (1/3)²
f(2) = 1/9

f(4) - f(2)
= 1/81 - 1/9
= 1/81 - 9/81
= -8/81