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Mapel : Matematika
Kelas : X SMA
Bab : Eksponen

Pembahasan :
2||

f(x + 3)/f(x - 1)
= 2^(x + 3)/2^(x - 1)
= 2^(x + 3 - x + 1)
= 2⁴
= 16

f(x) = 16
2^x = 16
2^x = 2⁴
x = 4

Maka... Jawaban : B

2||

x^(1/p) . x^(1/q) = x^(1/pq)
x^(1/p + 1/q) = x^(1/pq)
1/p + 1/q = 1/pq
(P + q)/pq = 1/pq
P + q = 1

Jawaban : B.