Tolong jawab ya dan buat jalan nya

f: x = x+2
f(1)=....?
f(5)=....?
jawab = f:x = x+2
f(1)=x.1+2 = 1+2=3
f(5)=x.5+2=5+2=7
jadi f(1)=3 dan f(5)= 7