F(x)=4log(2x-6)untuk x=4 adalah​

Diket : f(x) = ⁴log(2x – 6)

Ditanya : f(4) ?

Jawab :

f(x) = ⁴log(2x – 6)

f(4) = ⁴log(2 × 4 – 6)

f(4) = ⁴log(8 – 6)

f(4) = ⁴log2

f(4) = 1/2