Tolong bantuin ya, cuma nomor 43, sama 44 makasih

43.
f(x) = 1/2 x + 1
f(8) = 1/2 (8) + 1
f(8) = 4 + 1
f(8) = 5

Jawaban : C

44.
f(x) = (x + 1)(x - 2)
f(5) = (5 + 1)(5 - 2)
f(5) = 6(3)
f(5) = 18

Jawaban : A

Kurang lebihnya kaya gitu