Apa jawaban no.1,2,3 mohon bantuannya kak

A
A
C
Semoga bermanfaat ya sayang

3. f(x) = x + 5
g(x) = 2x + 1

maka fog =
fog = f(g(x))
= (2x + 1)+ 5
= 2x + 1 + 5
= 2x + 6
fog(1) = 2x + 6
= 2(1) + 6
= 2 + 6
= 8