Jika F Tanda kurung x = 2 x kurang 5 Nilai (fof)4 adalah​

f(x) = 2x – 5

(f • f)(4)

= f(f(4))

= f(2 . 4 – 5)

= f(3)

= 2 . 3 – 5

= 6 – 5

= 1

Semoga Membantu :)