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semoga membantu yaa :))
f(1) = 4
f(1) = p(1) + q = 4
= p + q = 4
f(-2) = 1
f(-2) = p(-2) + q = 1
= -2p + q = 1
p + q = 4
-2p + q = 1
--------------- -
2p = 5
p = 5 - 2 = 3
p + q = 4
3 + q = 4
q = 4 - 3 = 1
Jadi, jawabannya adalah B. 1 dan 3
Terimakasih. Semoga membantu..